Answer
1) Penguin
3) Elephant seal
4) Killer whale
7) Leopard seal
Explanation:
Answer:
A,C,D,G
Explanation:
These are the Tertiary consumers, the rest of the animals are not tertiary consumers.
A scientist studying a swamp notes that it contains a high concentration of organic carbon. This region would be classified as what?
A
carbon cycle
B
carbon cell
C
carbon source
D
carbon sink
Answer:
I believe it's D, Carbon Sink
Explanation:
What does a plant need to Carry out photosynthesis
Answer:
The answer is it needs four things to carry out photosynthesis chloroplast, light, water, and carbon dioxide.
How did the lab activities help you answer the lesson
question: How do environmental changes affect both
living and nonliving things in a watershed?
conclusions can you make based on your observations?
Environmental changes such as pollution can affect both living and nonliving things in a watershed by leading to their death which will impact the ecosystem in a negative manner.
What is Pollution?This is referred to as the introduction of contaminants into the natural environment that cause adverse changes.
Human activities is what leads to most of the changes in the environment, and an example is pollution, which can affect all the other parts of an ecosystem in a negative way due to the death which could occur thereby making it the correct choice.
Read more about Pollution here https://brainly.com/question/19621497
#SPJ1
Final answer:
Environmental changes can impact ecosystems, requiring hypotheses to be updated with new findings, especially regarding climate change and its associations with ecological variables.
Explanation:
Environmental changes can significantly impact ecosystems and the organisms within them. When investigating these changes, it is essential to establish a hypothesis, which is an initial assumption or prediction about the effects of such changes. As data is collected, it may support or refute the hypothesis, necessitating a revision to reflect the new findings. For instance, if the investigation shows a strong association between habitat size and population health, the original hypothesis may need to be adjusted to incorporate these observations. Furthermore, global climatic changes, researched using techniques such as analyzing marine core and terrestrial soil data, can provide insights into broad environmental trends. When considering climate change, conclusions drawn should be based on comprehensive and rigorous analysis of the data presented. This approach ensures the scientific integrity of the conclusions and helps avoid drawing premature or unsupported inferences about climate change and its impacts.
What is the term used to describe an organism that is made up of many eukaryotic cells?
AnsweMonera, Protista, Fungi, Plantae, Animalia. An organism is made up of several eukaryotic cells and eats only dead organisms.r:
Explanation:
The basic weapon of an American soldier in Vietnam was the
'rifle.
Answer:
i dont understand what you were asking but i looked it up and found that One of the most common infantry weapons used by U.S. troops in Vietnam was the M-60 machine gun
Explanation:
Q#5- How do you know when a test is positive
for glucose and starch?
You will know a test is positive for glucose and starch when Benedict's reagent will give a positive test result for glucose but not for starch.
Explanation:
Benedict's Test is used to test for simple carbohydrates. The Benedict's test identifies reducing sugars which have free ketone or aldehyde functional groups. Food scientists can test for starch in food using iodine solution. If starch is present, the iodine will turn dark blue. Testing for sugar can be performed with Benedict's solution. The Benedict's solution is added to the sample, and heated for five minutes. The test involves heating a solution of the sugar to be tested with Benedict's reagent and observing the colour change of blue to orange. Benedict's reagent will give a positive test result for glucose but not for starch.Benedict's solution can be used to test for the presence of glucose in urineHow would you replace the numbers with the correct outcomes in the Punnett square below to show how to parent rose plants, each with one
dominant allele and one receive alle for blooming can broduce an offspring plant with the characteristics of the everblooming allele
Why are organisms classified? to determine why organisms reproduce to determine what characteristics future organisms will have to determine how closely related organisms are to each other to determine the age of an individual organism
Answer:
c
Explanation:
my son did the assessment
This is a graph of the mean, or average, number of beans eaten for every three days.
During Days 1–3, more red kidney beans were eaten.
During Days 4–6, more red kidney beans were eaten.
During Days 7–9, more red kidney beans were eaten.
Answer:
1-3:light
4-6:dark
7-9:light
Explanation:
Answer
1-3 light
4-6 dark
7-9 light
Explanation:
Why is the American chestnut susceptible to fungus while the Asian chestnut is not, and how are scientists using this fact to help them create a solution to the problem?
The American chestnut tree is susceptible to the chestnut blight fungus while the Asian chestnut tree is not. Scientists are using backcross breeding to restore the American chestnut population by integrating the disease-resistant trait from the Asian trees. Fungus also cause serious infections in other species causing significant decline or extinction.
Explanation:The American chestnut tree is susceptible to a fungus called Cryphonectria parasitica, which causes chestnut blight. This disease is virtually absent in Asian chestnut trees, which have co-evolved with the fungus and developed a level of resistance. This resistance likely involves chemical defenses that are present in Asian species but lacking in the American species.
Scientists are leveraging this fact to help them restore the American chestnut population by using a process called backcross breeding. This involves crossing the resistant Asian chestnut with the susceptible American chestnut, and then continually crossing the offspring with American chestnuts to maintain the American chestnut characteristics while integrating the disease resistance trait from the Asian tree.
Fungi often interacts with other organisms, bearing mutualistic associations or causing serious infections. For example, fungal infections have caused significant decline in world's frog population and have killed millions of bats in the United States.
Learn more about Chestnut Blight here:https://brainly.com/question/31498705
#SPJ1
Scientists are leveraging the natural resistance of Asian chestnut species to Cryphonectria parasitica to develop blight-resistant American chestnut trees. This involves traditional breeding methods, genetic engineering, and restoration efforts to restore the once-dominant American chestnut tree in its native ecosystems.
The American chestnut (Castanea dentata) is susceptible to a fungal pathogen called Cryphonectria parasitica, which causes chestnut blight. This fungus entered North America in the early 20th century and devastated the American chestnut population. The Asian chestnut species, such as the Chinese chestnut (Castanea mollissima), have co-evolved with Cryphonectria parasitica and developed resistance mechanisms against it. Here’s how scientists are using this knowledge to address the problem:
1. Understanding Resistance Mechanisms: By studying the genetic and biochemical mechanisms that confer resistance in Asian chestnut species, scientists can identify genes and traits that make these species tolerant or resistant to chestnut blight.
2. Breeding Programs: Scientists are using traditional breeding techniques to cross American chestnut trees with resistant Asian chestnut species. The goal is to transfer genes for blight resistance from Asian chestnuts into American chestnuts while retaining the desirable traits of the American chestnut, such as its size and timber quality.
3. Genetic Engineering: Advances in biotechnology allow scientists to directly insert genes responsible for blight resistance into American chestnut trees. This approach, known as genetic engineering or genetic modification, can potentially expedite the development of blight-resistant varieties.
4. Citizen Science and Restoration Efforts: Collaborative efforts involving citizen scientists, conservation organizations, and academic institutions aim to reintroduce blight-resistant American chestnut trees into their native habitats. These efforts also involve monitoring and evaluating the ecological impact of reintroducing genetically engineered or hybrid American chestnuts.
How does the respiratory system interact with the circulatory system?
A.
The respiratory system brings in carbon dioxide so the circulatory system can transport it throughout the body.
B.
The circulatory system transports oxygen that the respiratory system brings into the body.
C.
The respiratory system transports oxygen to the heart for the circulatory system.
D.
The circulatory system removes oxygen from the body to make room for carbon dioxide in the respiratory system.
Answer:
B
Explanation:
What is the respiratory system?
It is an organ that is responsible for the gaseous exchange of the body. Lungs are the main organ of this system.
Small balloon-like structures are found in the lungs called alveoli. They are surrounded by blood capillaries.
When a person inhales the pressure of alveoli increases and gas is transferred to the low-pressure capillaries.
From where the oxygen gas is transferred to the whole with the help of hemoglobin the RBCs.
https://brainly.com/question/14321657
Which of the following increases genetic variation within a population and causes change
Answer:
organisms migrating in and out of a population
random changes in genetic traits over time
organisms choosing mates randomly
mistakes that occur in an organisms dna
Infiltration is generally greater than Run off where the land has a
1. Gentle slope and permeable soil
2. Gentle slope and impermeable bedrock
3. Steep slope and permeable soil
4 steep slope and impermeable bedrock
Final answer:
Option 1.) Infiltration is generally greater than Run off where the land has a gentle slope and permeable soil, while it is lesser where the land has a steep slope and impermeable bedrock.
Explanation:
Infiltration is generally greater than Run off where the land has a gentle slope and permeable soil. This means that when the land has a gentle slope, it allows water to seep into the ground more easily, rather than running off the surface. Permeable soil, which has larger spaces between particles, also allows water to infiltrate more easily. On the other hand, when the land has a steep slope and impermeable bedrock, water is more likely to run off rather than infiltrate into the ground.
In the previous question, you were asked to describe West Nile virus, how it spreads, and who is at the
greatest risk of becoming ill from it. Here, you will check you answers.
Which of the following did you include in your response? Check all that apply.
West Nile virus is transmitted to humans and other animals by mosquito bites.
Mosquitos get the virus from infected birds.
Those who become seriously ill from West Nile virus are often people over the age of fifty
These people are also at greater risk of developing a more severe form of the infection
DONE
) Intro
Q0000000
2 of 6
Answer:B and D
Explanation:
Just took it
Answer:
A,C,D
These are the answers :)
50 POINTS ASAP!!!!!!!!
Each organism in a population produces more offspring than can survive. This is called ______ .
In order for natural selection to occur, populations must have_______ .
When the environment changes, nature selects favorable ________. Over time, these _______ in a population.
Answer:
Each organism in a population produces more offspring than can survive. This is called overproduction.
In order for natural selection to occur, populations must have variation
When the environment changes, nature selects favorable adaptions. Over time, these build up in a population.
Explanation:
Hope I helped! :) (Was correct on e d g e n u i t y 2020)
a chemical reaction in which oxygen is combined with another substance
Answer:combustion
Explanation:
Answer: combustion reaction
Explanation:
combustion reaction occurs when a substance reacts with oxygen to produce energy in the form of heat and light
What’s the only way mutations can be passed from parents to offspring?
Answer:
The only mutations that matter to large-scale evolution are those that can be passed on to offspring. These occur in reproductive cells like eggs and sperm and are called germ line mutations. No change occurs in phenotype.
The enzyme carbonic anhydrase is a protein that binds to two small molecules: water and carbon dioxide. By holding the two molecules in the proper position, the enzyme allows the two molecules to react to form a product, carbonic acid. The enzyme then releases the product and becomes available to catalyze the same reaction once again.
How does carbonic anhydrase change the reaction between carbon dioxide and water?
A. It increases the total energy released.
B. It alters the structure of the product.
C. It decreases the activation energy.
D. It decreases the total mass of the system.
i thinks its a because it increase the total amount use or is it something else try a
carbonic anhydrase change the reaction between carbon dioxide and water C. It decreases the activation energy Therefore , C. It decreases the activation energy is correct .
The enzyme's role in this reaction is fundamental to various physiological processes within living organisms, especially in maintaining pH balance and regulating respiration.
The enzyme achieves this by providing a catalytic environment that enhances the interaction between CO2 and H2O.
When CO2 and H2O molecules come into contact with the active site of the carbonic anhydrase enzyme, the enzyme orients them in a way that makes the reaction more favorable.
It holds them in a specific configuration that lowers the energy barrier for the reaction to occur, thus reducing the activation energy needed for the conversion of CO2 and H2O into carbonic acid.
The reduction of activation energy is the key to how carbonic anhydrase changes the reaction dynamics.
By decreasing the activation energy, the enzyme significantly speeds up the rate at which the reaction occurs.
This is essential for biological processes where the timely conversion of CO2 and H2O into carbonic acid is critical for maintaining homeostasis.
For such a more question on carbonic
https://brainly.com/question/9733478
#SPJ2
WILL MARK BRAINLIEST!!!
Which of these is an example of selective breeding?
A: Cutting a stem from a plant so that a new plant grows from the stem
B: Taking a skin cell from a sheep and making an exact clone of the sheep
C: Replacing DNA of a plant with DNA that allows the plant to grow in little water
D: Selecting two horses and having them mate in order to produce stronger offspring
Answer:
D
Explanation:
selecting two horses and having them mate in order to produce stronger offspring.
What is the momentum of a 3 kg bowling ball moving at 3 ms?
1 kg. mis
3 kg. m/s
6 kg•mis
9kg. mis
Explanation:
We know that momentum is the product of mass and velocity so
Mass (m) = 3 kg
velocity (v) = 3 m/s
Now
Momentum
= m * v
= 3 * 3
= 9 kg. m/s
Hope you understood and hope it helps:)
The momentum of a 3 kg bowling ball moving at 3 m/s is 9 kg·m/s. Momentum is calculated by multiplying mass and velocity.
The momentum of an object is calculated by multiplying its mass (m) by its velocity (v).
In this case, you have a 3 kg bowling ball moving at 3 m/s, and you want to find its momentum (p).
The formula for momentum is:
Momentum (p) = mass (m) × velocity (v)
Now, you can plug in the values:
p = 3 kg × 3 m/s = 9 kg·m/s
So, the momentum of the 3 kg bowling ball moving at 3 m/s is 9 kg·m/s. This means that the bowling ball has a momentum of 9 kilogram-meters per second, which is a unit of measurement for momentum.
For such a more question on velocity
https://brainly.com/question/26589212
#SPJ2
Which shows the correct flow of energy in a typical food web? *
herbivore -> carnivore --> producer
sunlight sunlight-producer-
herbivore -> carnivore carnivore
- producer- sunlight herbivore
producer -> sunlight- herbivore->
carnivore
Answer:
producer, sunlight, herbivore, carnivore
Answer:
sunlight-producer-herbivore-carnivore
Explanation:
hope this helps
Please like and Mark as brainliest
Which of these factors would NOT disrupt Genetic Equilibrium? *
A.Small population size.
B.Random mating.
C.Predation.
D.Emigration of members of the population.
Answer:
C.Predation
This has nothing to do in disrupting what is already implanted in a being.
what mechanical layer sits on top of the Asthenosphere
Answer: lithosphere
Explanation:
Micheal took a swab of bacteria from a Petri dish and placed it on a glass slide. Then he treated the sample with a series of dyes. For which type of microscopes is the sample prepared?
Answer:
compound microscope/compound light microscope
they’re the same thing
if i can have brainliest that would be great
Answer:
A compound light microscope.
Explanation:
Why is heaven closer than we think?
Answer:
The Church is a type of heaven
Explanation:
Church is much more than a good sermon, a few good songs, and good company. It is, or it is supposed to be, a cooperation between heaven and earth, a living synergy. What saddens me though is that we worship with verve, we pour everything into it, and yet too often the person at the end of the row remains a stranger to us. I’m not sure you can have one without the other. If we do not surrender ourselves completely, and not just to the familiar but to the unloved, fallen, and damaged life around us, our worship is empty, sapless, and misdirected. There is room for improvement in all of us. Myself included.
What is the proper unit for gravitational energy
Answer:
joules
Explanation:
one of the basic units of energy.
What percentage of our energy comes from non-renewable energy sources, like
fossil fuels?
Answer: Aprrox. 81%
Explanation:
81%
The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.
May I get brainliest? Much help needed. :D
Which is a part of the process of speciation?
A. Interbreeding between species
B. Fixing alleles
c. Divergence
D. Increased gene flow
Answer:
Divergence
Explanation:
A part of the process of speciation is Divergence because emergence of one or more species.
How can speciation occur?Speciation refers to the emergence of one or more species from an ancestral population. This process, which involves mechanisms of genetic differentiation that prevent reproduction between two populations, can occur due to several factors, including geographic isolation and reduced gene flow.
So the part of the process of speciation will be the Divergence.
See more about speciation at brainly.com/question/9589072
PLEASE HELP WIILL GIVE BRANLIEST !!!!!!
In this activity, you will make a model of the water cycle.
Part A

Using the drawing tool, make a model that shows how the water cycle flows in this landscape. Draw arrows and label these processes:
* evaporation
* condensation
* transpiration
* groundwater
* surface runoff
* precipitation
(PICTURE INCLUDED)
Part B
In your diagram, identify objects that represent parts of Earth’s four spheres. Label these objects G (geosphere), B (biosphere), H (hydrosphere), and A (atmosphere). You may use letters more than once.
(PICTURE INCLUDED)
Part C
Explain how gravity plays a role in the parts of the water cycle shown in this model.
Part D
Explain how water changes state in your model.
Answer:
Answer directly form edmentum
Explanation:
The water cycle in the given landscape includes evaporation, condensation, transpiration, groundwater, surface runoff, and precipitation. Gravity has a significant role in driving water downward during precipitation, thereby creating surface runoff and groundwater. Water changes states by moving from a liquid to a gas and back to a liquid.
Explanation:The water cycle in the given landscape operates in the following manner:
Evaporation: Water from the hydrosphere (H), such as the lake in the landscape, gains energy from the sun and transforms into gas, rising into the atmosphere (A).Condensation: As the water vapor rises and cools in the atmosphere (A), it transforms back into liquid, forming clouds.Transpiration: Plants in the biosphere (B) also release water into the atmosphere (A) in the form of water vapor. Groundwater: Some of the precipitation percolates into the ground, replenishing the geosphere (G) as groundwater.Surface runoff: Some of the water from the precipitation flows on the surface of the geosphere (G), creating surface runoff which eventually returns to the hydrosphere (H), such as the lake.Precipitation: When the cloud becomes heavy, the water falls back to the ground as precipitation.Gravity plays a key role in the water cycle by pulling down precipitation from the atmosphere to the ground. This helps in the creation of surface runoff and groundwater. The water changes states in this model by moving from a liquid (in the lake and rainfall) to a gas (during evaporation) and back to a liquid (during condensation).
Learn more about water cycle here:https://brainly.com/question/35917024
#SPJ2
A student sets up an experiment and wants to see if different amounts of fertilizer affect the growth of basil. They place 4 separate plants in 4 same-sized pots. Each pot receives the same soil, the same amount of light, and the same amount of water. They add no fertilizer to Pot 1, 10g of fertilizer to Pot 2, 20g to Pot 3, and 50g to Pot 4. What are the fixed variables in this experiment?
POT 1
soil, light, water, type of plant
amount of fertilizer
Answer:
pot size, soil, amount of light, type of plant, amount of water.
Explanation:
The fixed variables would be the pot size, soil, amount of light, type of plant, and amount of water.
There are three variables in a research experiment:
fixed variablesindependent variablesdependent variablesThe fixed variables in an experiment are those variables whose values are kept constant throughout the course of the experiment. They are also referred to as controlled variables.
Independent variables are the actual variables being measured during an experiment.
The dependent variables are the variables being tested during an experiment.
The fixed variables are kept constant so as to be able to measure the effects that the independent variable will produce on the dependent variables during an experiment.
Hence, in this case, the fixed variables would be the pot size, soil, amount of light, type of plant, and amount of water; the independent variable would be amount of fertilizer and the dependent variable would be a growth-determining factor.
Answer:
D, type of soil would be your answer
Explanation:
The growth depends on the type of soil only since the other variables are the same for both pots.