Final answer:
Physical components of an ecosystem, such as catastrophic events, forest structures, and geological processes, can significantly alter populations and lead to processes like ecological succession. The study of acorn production illustrates how food resource availability can fluctuate population dynamics. Understanding how humans impact these ecosystems is critical for assessing biodiversity conservation.
Explanation:
The physical components of an ecosystem can significantly influence populations within it. Examples that can change populations include catastrophic events such as floods, fires, and volcanic eruptions. These events can lead to a long process called ecological succession, where the ecosystem gradually recovers and reestablishes itself through a succession of species.
Additionally, at both local and broader scales, biological communities can also alter the physical environment. For instance, forests affect wind speed, soil chemistry, and light penetration. A study on acorn production demonstrated how the populations of small mammals and ground-nesting birds fluctuate with the available food resources. Identifying various ecosystems such as forests, wetlands, and Garry oak meadows helps to understand the nuanced interactions of organisms and the environment, especially when discussing how humans impact ecosystems.
Chapter 4 will delve into how such environmental changes influence population dynamics, highlighting the continuous nature of evolution and species interaction shaped by these changes. From a broader perspective, geological processes such as continental drift and meteor impacts lead to the loss and creation of ecological niches, indicating the deep interconnection between physical changes and population shifts.
PLEASE HELP ME IM GOING TO FAIL THIS TEST PLEASEE!!! :(
1. What is the name of the trait that is expressed in all of the new seeds or offsprings?
2. What is the name of the trait that is hidden by the dominant trait?
3. What is the name of the factor that represents the different variations of a gene?
4. When both alleles are identical, the gene is called what?
5. When both alleles are different, the gene is called what?
6. What can be used to figure out how alleles are distributed among descendants?
a. genotype
b. phenotype
c. Punnett square
d. heterozygous
7. What is the name of the scientist who started the study of heredity?
Final answer:
The expressed trait is the dominant trait, while the hidden one is recessive. Alleles are the variations of a gene, with homozygous meaning identical alleles and heterozygous meaning different alleles. Gregor Mendel is considered the father of heredity studies.
Explanation:
The trait that is expressed in all the new seeds or offspring is called the dominant trait. The trait that is hidden by the dominant trait is known as the recessive trait. A factor that represents the different variations of a gene is called an allele. When both alleles are identical, the gene is called homozygous. When both alleles are different, the gene is called heterozygous. A Punnett square can be used to figure out how alleles are distributed among descendants. The scientist who started the study of heredity is Gregor Mendel.
Darwin developed the theory of evolution. Which of these observation is the best evidence for the theory of evolution?
Humans have very diverse traits today.
There appear to be missing links in the evolutionary chain.
Life on earth has been found to date back billions of years.
D)
DNA found in older primate fossils resemble those of humans today
30)
According to Darwin's theory of evolution, which organisms are BEST able to survive in nature?
Answer:
DNA found in older primate fossils resemble those of humans today
Explanation:
What type of energy occurs when a sock is stuck to a blanket when it is taken out of the dryer?
Answer:
static electricity
Explanation:
Static electricity is the buildup of electrical charge in an object. Sometimes static electricity can suddenly discharge, such as when a bolt of lightning flashes through the sky. Other times, static electricity can cause objects to cling to one another. Think of how socks fresh out of the dryer stick together
Which body system works together with the integumentary system to protect the body from pathogens?
Answer: immune system
Explanation: It acts as a physical barrier to disease-causing germs and houses immune cells .
Create a food web with the following organisms. Utilize the internet to identify the organisms as producer, herbivore, carnivore, or omnivore if necessary to assist placing them in the proper trophic level. Producers are at the bottom of the food web. A food web is made of OVERLAPPING food chains; don’t forget your arrows!
Answer:
Hope this helps!!!!!!
First, identify the role of each organism in the food chain: producer, herbivore, carnivore, or omnivore. Then based on their roles and who eats who, draw a diagram placing these organisms in their respective levels and connect them with arrows showing the direction of energy flow.
Explanation:Let's say, for this exercise, we have the following organisms: grass, rabbit, wolf, and bear. First, you need to identify the type of each organism. Here, grass is a producer, rabbit is herbivore, wolf is carnivore, and bear is omnivore. The food web begins with a grass as a producer that is eaten by the herbivore - rabbit. The rabbit, in turn, is eaten by a carnivore - wolf. Finally, the bear as an omnivore, it can eat both the herbivore (rabbit) and carnivore (wolf). The arrows in the food web point from the prey to the predator. Therefore, the food web can be visually created by placing all these organisms in their respective levels and, then connect them using arrows based on who is eating who.
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Plants have large central vacuole. What is the function of the central vacuole in plants?
Answer:
To store things in the cell.
Explanation:
Answer:
Storage.
Explanation:
In plants, a large central vacuole is usually found in a mature cell. It is lined with a membrane and filled with the cell sap. Cell sap acts as a store house for many substances including excretory products.
They are located in both animal and plant cells and are way larger in plant cells. Vacuoles stores food and different varieties of nutrients, a cell might need to survive. They can even store waste products so the rest of the cell is protected from contamination.
An incomplete concept map of carrying capacity is provided.
Which of the following factors would most
accurately be placed in the same side of the concept map as “Increase in population of competitors”?
Group of answer choices:
1. Increase in reproductive success
2. A decrease in available living space
3. Increase in availability of freshwater
4. A decrease in population of predators
For the incomplete concept map of carrying capacity, 'A decrease in available living space' would be correctly placed alongside 'Increase in population of competitors'. As competitors increase, available space decreases, reflecting the concept of carrying capacity.
Explanation:In the context of an incomplete concept map of carrying capacity, the choice that would most accurately be placed in the same side as 'Increase in population of competitors' would be 'A decrease in available living space'. The reason being, when the number of competitors for resources in a given area or ecosystem increases, the available space for each individual decreases. This concept, known as carrying capacity, is a central idea in population ecology. It refers to the maximum population size that a particular environment can sustain indefinitely.
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The first choice on a dichotomous key is:
"1A. Are wings covered by an exoskeleton?
vs. 1B. Are wings not covered by an
exoskeleton?" Which organism is separated
from the others by this question? SC.6.L.15.1
help asapp!! dis is a quizz
Answer:
1A- Wings are covered by an exoskeletan. 1B- Ladybug.
Explanation:
I am in 6th grade, so I'm not completely sure if this is correct...
SO CONFUSED
Elizabeth and Benjamin are investigating the forces that result from electric charges. They rub inflated balloons with wool cloth. Which of the following observation supports the claim that the balloons have the same electric charge?
A)Not all the balloons were rubbed with wool.
B)The balloons were all about the same size.
C)The balloons repelled each other without touching.
D)The balloons are made of thin material.
Answer: Option C.
The balloons repelled each other without touching.
Explanation:
The balloons repelled each other without touching is an observation that the balloons has electric charge.
Electric charge is of an object either positive or negatively charge.
The balloons are positively charged that is why they repel each other. The objects that are positively charged repel each other. That is positively charged ballin will exert a repulsive force against another positively charged balloon.
Final answer:
The observation that supports the claim that the two balloons have the same electric charge is that they repel each other without touching, indicating they are both negatively charged due to the transfer of electrons from the wool cloth. (option C)
Explanation:
When Elizabeth and Benjamin investigate the forces that result from electric charges, they discover that when two balloons rubbed with wool cloth repel each other without touching, this observation supports the claim that the balloons have the same electric charge.
This phenomenon is explained by the principle that like charges repel each other, which is a basic concept in static electricity.
In the PhET Explorations simulation 'Balloons and Static Electricity', it is possible to visualize how rubbing the balloons with a sweater transfers negative charges to the balloon, and similarly charged objects will repel each other, just as the balloons do after being rubbed with wool.
why does a whale have pelvic bones even though they don’t have legs?
Answer:
scientists say the gradual shrinkage of the whales' hind limbs over 15 million years was the result of slowly accumulated genetic changes that influenced the size of the limbs (they used to have legs)
please give this brainliest!!
Explanation:
Whale pelvic bones evolved to help the them maneuver better during intercourse. They have very small pelvic bones compared to their body Scientists have discovered that the tiny bones may actually play a huge role in whale reproduction.
Complete the sentences to describe ways to manage water.
Answer:
1 Pumps
2 reservoirs
3 aqueducts
Explanation: :D
Answer:
1 = Pumps
2= Reservoirs
3= Aqueducts
Explanation:
Its correct :)
Do you think you can live without one of your organ systems? Explain.
how can i arrange these animals in different groups of classification and what title can I give ?
German Shepherd, Great Dane, parrot, Irish setter, canary, husky, robin, pigeon
These animals are arranged according to the classification that separates the animals into two groups on the basis of whether they are mammals or birds.
What is taxonomic classification?Group 1 of mammals includes German Shepherds, Great Danes, Irish setters, and husky. Group 2 of birds include parrot, canary, robin, and pigeon, and the title is Classification of Animals Based on Taxonomic Groups.
The classification above separates the animals into two groups on the basis of whether they are mammals or birds. Mammals have hair, mammary glands, and three middle ear bones, while birds contain feathers, a beak, and laying eggs.
Within each group, the animals are further classified according to their specific characteristics and evolutionary relationships, which is known as taxonomic classification and can help scientists to understand the diversity of life on Earth.
Therefore, these animals are separated into two groups on the basis of whether they are mammals or birds.
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c. a snickers bar has 29 grams of fat.
2. An example of qualitative data is:
a. a snickers bar has chocolate, peanuts, and
caramel in it.
b. a snickers bar weighs 4 ounces.
d. a snickers bar is 180 calories.
Emily (who is 5.5 feet tall) wants to measure the height of a tree in the
forest near where she lives since there is a big storm approaching and she
is worried that it might fall over and hit her house if it is too tall. If she can
see the top of the tree at an angle of 46.4 degrees and if she estimates the
distance between her house and the tree to be 100 feet, is the tree tall
enough to hit her home?
Answer:
YES
Explanation:
Here apply the formula for tangent of an angle to find height of the tree
Distance from house to tree is 100 ft = adjacent side
Tan ∅ = opposite side/adjacent side
Tan 46.4° = height of tree/100
h= 100 tan 46.4° = 105.01 ft
Given height of Emily is 5.5 ft, add this to 105.01 to find total height of the tree
=105.01 + 5.5 =110.51 ft
The tree is tall (110.51 ft) enough to hit her home which is 100 ft away from the tree.
1. What are the benefits and costs of renewable and nonrenewable resources?
Answer:They include fossil fuels such as oil, natural gas, coal, and uranium used for nuclear energy. Despite this, they have a couple of advantages: The main advantages of non-renewable energies is that they are abundant and affordable. ... Non-renewable energy is cost effective and easier to product and use.
Explanation:
Renewable resources have the benefits of being replenished naturally and having a lesser environmental impact. However, the costs involve initial investment and infrastructure while nonrenewable resources have limited reserves and long-term costs.
Explanation:The benefits of renewable resources include their ability to be replenished naturally and their lower environmental impact compared to nonrenewable resources. Renewable resources, such as wind, water, geothermal, and solar power, do not deplete over time and contribute less to global warming. On the other hand, nonrenewable resources, like fossil fuels and nuclear power, have limited reserves and can have negative environmental consequences.
The costs of renewable resources primarily involve the initial investment in infrastructure and technology needed to harness and utilize these sources of energy. However, over time, the costs of renewable energy have been decreasing as technology advances and economies of scale are achieved.
Nonrenewable resources, although currently more affordable due to existing infrastructure, have long-term costs associated with their depletion, environmental impact, and potential hazards, such as nuclear waste disposal.
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A fly has two alleles for the color of its eyes. The green allele is recessive, and
is represented by q. The blue allele is dominant, and is represented by p. If 29
of 100 organisms are green, what is q?
Homozygous dominant + Heterozygous + Homozygous recessive = 1
p+ 2pq + q^2 = 1
A. 0.71
B. 0.46
C. 0.29
D. 0.54
The equations of the Hardy-Weinberg equilibrium are useful to get allelic and genotypic frequencies. In the example q = 0.538 ≅ 0.54 . Option D. 0.54
What is the Hardy-Weinberg Equilibrium?
The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies remain the same through generations in a population that is in equilibrium.
Assuming a diallelic gene,
The allelic frequencies in a locus are represented as
The frequency of the dominant allele f(X) is pThe frequency of the recessive allele f(x) is qThe genotypic frequencies after one generation are
p² (H0m0zyg0us dominant genotypic frequency), 2pq (Heter0zyg0us genotypic frequency), q² (H0m0zyg0us recessive genotypic frequency).The addition of the allelic frequencies equals 1
p + q = 1.
The sum of genotypic frequencies equals 1
p² + 2pq + q² = 1
In the exposed example, the gene coding for eye color is diallelic.
B is dominant and codes for blueb is recessive and codes for greenN = 100 individuals
Green eyed individuals = 29
Blue eyed individuals = 71
The frequency of green eyed individuals is 29/100 = 0.29 ⇒ q²The frequency of blue eyed individuals is 71/100 = 0.71 ⇒ p² + 2pqIf q² = 0.29, then
q = √0.29
q = 0.538
If q = 0.538, then the value of p can be calculated by clearing the following equation
p + q = 1
p + 0.538 = 1
p = 1 - 0.538
p = 0.462
We can use the p value to calculate p²
If p = 0.462, then
p² = 0.462²
p² = 0.2134
And the frequency of the heter0zyg0us genotype is
2pq = 2 x 0.462 x 0.538
2pq = 0.497
p² + 2pq + q² = 1
0.213 + 0.497 + 0.29 = 1
The frequency of the recessive allele is q = 0.538.
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what is the difference between milk and buttermilk?
Answer: The answer is, Therefore, the main difference between milk and buttermilk is that the first one is the natural product that is obtained from the mammary glands of female beings whereas buttermilk is the name for milk from whom all the butter and cream removed so that the liquid that is left behind can last for a long time
Explanation:
Answer: The deffrence is one has butter in the milk
Explanation:
Hope it helps
The image does not show orders of insects. Suggest three categories of insects that would likely be grouped into orders. Hint: think about what kind of insects there are. Add your three categories to the image.
Answer:
I) Beetle which belongs to the Order Coleoptera.
2) Cockroach which belongs to the Order Dictyoptera.
3) True Fly which belongs to the Order Diptera.
Explanation:
In the image, there is only one insect i. e. house fly which belongs to kingdom animalia, phylum arthropoda, class insecta and order diptera. Two insects can be added to the image which are cockroach and Beetle which belongs to Order Dictyoptera and Order Coleoptera, respectively. All of these three insects belongs to phylum arthropoda due to jointed appendages but their order is different from one another due some differences in their body structure.
Beetles, butterflies, and ants are examples of insect categories that can be grouped into orders based on their distinguishing features and developmental processes. They demonstrate the diversity found within the Hexapoda subphylum. The classification of these insects follows the hierarchy of the Linnaean system.
Explanation:Three categories of insects that could be grouped into orders may be, for example, beetles, butterflies, and ants. These are all members of the subphylum Hexapoda. Beetles are part of the order Coleoptera, characterized by their hardened forewings. Butterflies belong to the order Lepidoptera, distinguished by their scale-covered wings. Ants are part of the order Hymenoptera, recognized by their defined waist and elbowed antennae.
These insects demonstrate the diversity in the Hexapoda subphylum, with varied developmental processes, wing morphology, and societal structures. For instance, ants, beetles, and butterflies undergo complete metamorphosis from larval stages, whereas other insects like grasshoppers undergo an incomplete metamorphosis process.
The taxonomic classification of these insects follows the hierarchy of domain, kingdom, phylum, class, order, family, genus, and species, based on the Linnaean system. Organisms are grouped based on common characteristics and evolutionary history.
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All BUT one is an example of a invasive species. That is
Answer:
Notable examples of invasive plant species include the kudzu vine, Andean pampas grass, and yellow starthistle. Animal examples include the New Zealand mud snail, feral pigs, European rabbits, grey squirrels, domestic cats, carp and ferrets.
Hope I'm right! : )
Answer:
C) tomato plants brought into a garden and given the opportunity to grow and thrive without any harm to any other plant species.
Explanation:
The one that is not an invasive species would be that tomato plants brought into a garden and given the opportunity to grow and thrive without any harm to any other plant species. In order to be invasive, a species must be introduced,have no natural predators or competitors, reproduce rapidly, and cause a problem to the native species. All of these are example of species that have been introduced and have led to environmental problems except the example with tomatoes.
Give three examples of competition between species for ABIOTIC resources, in which the better adapted species is most likely to survive.
Final answer:
Competition for abiotic resources like water, sunlight, and space among different species results in the better-adapted species surviving, while the less adapted may adapt, move, or face extinction as per the competitive exclusion principle.
Explanation:
Competition between species for abiotic resources is a significant aspect of ecological interaction that can strongly influence survival and biodiversity. Here are three examples that illustrate interspecific competition for abiotic resources:
In a forest, tree species might compete for sunlight, another vital abiotic resource. Trees with leaves that have a higher photosynthetic efficiency or that can grow taller to reach the light are more likely to thrive, outcompeting those that cannot reach the light effectively.
Along a rocky shore, different types of algae and barnacles may compete for space, which is essential for their survival. The species that can better attach to the rocks and resist waves will monopolize space and outcompete others.
The competitive exclusion principle explains that in a stable environment, species less adapted will adapt, move, or die out, leading to consequences such as reduced population growth or extinction for the less adapted species. Conversely, character displacement allows coexistence through the development of different specializations.
A resource is being used by a population.
Which graph represents a sustainable yield of that resource?
Graph A
Graph B
Graph C
Graph D
Answer:
Graph B.
Explanation:
the graph shows amount of resource and time. over time, graph B stays about the same, that is sustainable.
Hope this helps!! :)
The graph that shows sustainable resource usage is the graph B, as that is present in the second option as the resource usage and the time constant, so that is considered sustainable resource usage.
What is the sustainable yield of a resource?The sustainable yield of a resource used by organisms refers to the maximum amount of that resource that can be harvested or consumed by those organisms without depleting the resource's ability to renew itself. In other words, it is the rate at which the resource can be harvested or consumed over an indefinite period without causing long-term damage to the ecosystem or population.
Hence, the graph that shows sustainable resource usage is the graph B, as that is present in the second option as the resource usage and the time constant, so that is considered sustainable resource usage.
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What the human process to make sense of things
The answer.................
Answer:
C
Explanation:
this shows that these two organ systems are interacting to maintain a healthy body.
Is there a group of people (demographic or race) who have an increased risk for Coffin Lowry syndrome?
Answer:
Coffin-Lowry syndrome is a condition that affects many parts of the body. The signs and symptoms are usually more severe in males than in females, although the features of this disorder range from very mild to severe in affected women.
Males with Coffin-Lowry syndrome typically have severe to profound intellectual disability and delayed development. Affected women may be cognitively normal, or they may have intellectual disability ranging from mild to profound. Beginning in childhood or adolescence, some people with this condition experience brief episodes of collapse when excited or startled by a loud noise. These attacks are called stimulus-induced drop episodes (SIDEs).
Most affected males and some affected females have distinctive facial features including a prominent forehead, widely spaced and downward-slanting eyes, a short nose with a wide tip, and a wide mouth with full lips. These features become more pronounced with age. Soft hands with short, tapered fingers are also characteristic of Coffin-Lowry syndrome. Additional features of this condition include short stature, an unusually small head (microcephaly), progressive abnormal curvature of the spine (kyphoscoliosis), and other skeletal abnormalities.
Please help and explain.
What molecular clock might be useful to examine the evolutionary relationship
between several phyla in the Plant Kingdom? Explain your answer. *
Final answer:
The DNA sequence-based molecular clock is useful to examine the evolutionary relationship between several phyla in the Plant Kingdom.
Explanation:
A molecular clock that might be useful to examine the evolutionary relationship between several phyla in the Plant Kingdom is the DNA sequence-based molecular clock.
This molecular clock compares the DNA sequences of different plant species to estimate how long it has been since these species diverged from a common ancestor. It is based on the assumption that mutations accumulate at a steady rate in a given region of DNA over time. By comparing the number of DNA sequence differences between species, scientists can determine the level of relatedness and the time of divergence.
For example, if two plant species have fewer DNA sequence differences, it suggests a more recent common ancestor, indicating a closer evolutionary relationship. On the other hand, if two plant species have more DNA sequence differences, it suggests a more distant common ancestor, indicating a more distant evolutionary relationship.
Help me please!!
A student builds a model of the heart and brain, shown in the diagram. Two trucks, 1 and 2, travel between the organs. The student will label the trucks with what they are carrying.
Which set of labels BEST completes the model?
A) Truck 1 carries oxygen and Truck 2 carries carbon dioxide.
B) Truck 1 carries carbon dioxide and Truck 2 carries oxygen.
Eliminate
C) Truck 1 carries red blood cells and Truck 2 carries white blood cells.
D) Truck 1 carries white blood cells and Truck 2 carries red blood cells
Answer:
A
Explanation:
Oxygen goes into your lungs, carbon dioxide goes out.
I think this is the answer to your question.
Answer:
a
Explanation:
Compare the benefits of natural change to ecosystems to the disadvantages.
Answer:
(Natural changed to the ecosystem relate to environmental shock that occur naturally. Natural changes include floods, volcanic activity, hurricanes, etc. They can be destructive, but they also have advantages. Floods have the contribution of nutrients to the soil which was lacking. It can also relocate fishes and organisms living in bodies of water which improves the ecosystem.)
Explanation:
Edg 2020
What is the citric acid cycle input
Answer:
(Inputs) 2 Acetyl CoA + 6 NAD+ + 2 FAD + 2 ADP + 2 Pi + 4H2O --> (Outputs) 4 CO2+ 6 NADH + 6 H++ 2 FADH2+ 2 ATP + 2 CoA
Explanation:
Answer: acetyl-CoA is the main one
Explanation:
Hydrolysis of polymer will produce ?
Answer:
Monomers.
Explanation:
The process of hydrolysis, reactions tends to breakdown polymers into monomers when they react with water, this process is easily seen as the opposite of dehydration synthesis which only forms water during polymer synthesizing from monomers. Hydrolysis also breaks bonds and release energy during the course of its reactions.
The formed synthesis here, is described as a molecule that forms the basic unit for polymers, they form the basic structures of proteins. Monomers also tend to bind with other monomers to form cycles of chain molecules through polymerization.
The hydrolysis of a polymer typically yields monomers, the initial small molecules that made up the polymer. This happens through the breaking of bonds in the polymer chain, facilitated through the addition of water.
Explanation:The hydrolysis of a polymer typically produces monomers, the small molecules from which the polymer was originally formed.
This process involves the breaking of bonds in the polymer chain, facilitated by the addition of water. For instance, when a polyester polymer undergoes hydrolysis, it produces monomers like carboxylic acids and alcohols. Similarly, the hydrolysis of a protein, which is a peptide polymer, generates amino acids.
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