Answer: become extinct
A generalist species is able to thrive in a wide variety of climate and environmental conditions and have varied diets. When their habitats are destroyed, they can easily adapt to change, migrate or move into a new niche.
A specialist species can thrive only in a narrow range of climate and environmental conditions and has a limited diet. When this environment or habitat is destroyed, they are most likely to become extinct than the generalist species.
Answer:
become extinct
Explanation:
I had it on a quiz
_____ can produce their own food.
Down syndrome is also known as trisomy-21 because individuals with down syndrome ____.
Two chickens are bred and have five offspring, shown below. What are the most likely genotypes of the parents?
Without the specific offspring genotypes, the most likely genotypes of the parents are inferred to be heterozygous (Bb) based on Mendelian inheritance patterns.
Explanation:The question given pertains to the inheritance patterns and predicting offspring genotypes using Mendelian genetics principles. The scenario hints that the parental generation is likely composed of heterozygous individuals because the offspring exhibit a variety of genotypes typically resulting from a heterozygous cross. To answer this with high accuracy, one would need the precise phenotypes or genotypes of the offspring. Assuming a Mendelian trait with simple dominance and using the provided information, if offspring show a typical 3:1 phenotypic ratio, or a 1:2:1 genotypic ratio with the presence of dominant and recessive traits, we can infer the most likely genotypes of the parents to be heterozygous (Bb).
The most likely genotypes of the parents are Bb and bb.
Explanation:In Mendelian genetics, feather color in chickens is determined by a single gene with two alleles: B (black feathers) and b (white feathers). The capital letter represents the dominant allele, and the lowercase letter represents the recessive allele. Black feathers (B) are dominant over white feathers (b). Looking at the offspring, we can deduce the genotypes of the parents.
Since the first, third, and fifth offspring have black feathers, the only way that can happen is if the parent contributing those alleles has at least one dominant B allele. The second and fourth offspring have white feathers, which means they inherited a recessive b allele from both parents. Therefore, the genotype of the first parent is likely Bb, and the second parent is bb.
This conclusion is supported by the fact that the black-feathered offspring can inherit either a B allele or a b allele from the Bb parent, resulting in black feathers. Meanwhile, the white-feathered offspring must inherit a b allele from each parent (bb) to express the recessive trait. Thus, the most likely genotypes of the parents are Bb and bb, which is consistent with the observed phenotypes of the offspring.
Complete question: Two chickens are bred and have five offspring, shown below. What are the most likely genotypes of the parents?
Offspring:
1. Black Feathers (B_)
2. White Feathers(bb)
3. Black Feathers(B_)
4. White Feathers (bb)
5. Black Feathers (B_)
Shark pups with the most advantageous traits are more likely to survive and reproduce. For example, pups that can hunt and feed with efficiency directly after being born would have an advantageous trait. What is the best prediction of how this will affect the frequency of advantageous traits in future generations?
A) are sharks in the next generation will have those exact traits
B) as long as conditions favor those traits those traits will become increasingly common in future generations
C) regardless of environmental conditions those traits will decrease in frequency in future populations
D) some of those sharks will reproduce and the more advantageous traits will remain in the population at a constant frequency
The answer is B. This is called genetic shift. The pups with advantageous traits are able to survive until the age of reproduction hence able to pass their genes to the next generation. Few and fewer pups with disadvantageous traits will get to reproduce hence the allelic frequencies of the shark population will shift in favour of increased hunting efficiency.
the preservation technique that attempts to remove moisture is
The preservation technique that attempts to remove moisture is dehydration or drying of foods. Many types of food such as meat, fish are preserved for an unlimited period by removing the moisture. This way, the growth of microorganisms in the food is hindered. Dehydration is one of the oldest methods of food preservation. Equipment such as cabinet driers and vacuum driers are used in dehydration.
Desiccation, or drying, is a preservation technique that attempts to remove moisture. It controls microbial growth and prevents spoilage in foods.
Explanation:Drying, also known as desiccation or dehydration, is a preservation technique that attempts to remove moisture. It can be achieved through methods such as sun drying, freeze-drying, or the addition of salt or sugar to decrease water activity in foods. Desiccation works by controlling microbial growth and preventing spoilage.
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Select each correct answer. More than one answer may be correct.
The components of the human body, from organ systems to cell organelles, interact to maintain a balanced internal environment. To successfully accomplish this task, organisms possess many different receptors that detect deviations in the body's internal state and initiate corrective actions.
In which of the following ways does the body respond to an increase in skeletal muscle cell activity?
by converting white bloods cells to red blood cells
by increasing the heart rate
by increasing the respiratory rate
by producing less hemoglobin
The correct answer is by increasing the rate of respiration and heart rate.
The conditions in the body are monitored, to maintain a steady internal environment. This is known as homeostasis. The conditions, which must be monitored, include water content, the temperature of the body, level of carbon dioxide, and blood sugar level.
Homeostasis is the sustenance of the steady internal environment. Automatic control systems all through the body maintain water and temperature at constant levels that are needed for the cells to work adequately.
Answer:
if it on study island it would be
by increasing the respiratory rate
by increasing the heart rate
Explanation:
study island said:
Feedback mechanisms allow the body to maintain homeostasis. For example, the body responds to an increase in skeletal muscle cell activity by increasing the heart rate and respiratory rate.
Increasing the heart rate allows oxygenated blood to be delivered to muscle tissue at a faster rate, while increasing the respiratory rate allows the carbon dioxide produced during cellular respiration to be eliminated more quickly from the body.
He atoms surrounding an edge dislocation experience what kind(s) of strain(s)?
An edge dislocation of atoms experience tensil, shear and compressive strains. Moreover, tensile strain produce a direct stresses and compressive strain produce in a body when two equal and opposite forces try to compress the body. Meanwhile, shear strain is produce under a shear stress where the body displace transversely from its original position.
Final answer:
Atoms surrounding an edge dislocation experience strain due to the extra half-plane's distortion of the crystal lattice. This leads to compression above and tension below the slip plane, contributing to various types of strain and understanding plastic deformation by slip.
Explanation:
The atoms surrounding an edge dislocation experience various forms of strain due to the disruption of the normal lattice structure. For a positive edge dislocation, the presence of the extra half-plane causes atoms above the dislocation to be put in compression, while those below the slip plane are in tension. This condition creates a stress field around the dislocation, where the stress is compressive above the slip plane and tensile below it. The strains experienced include the strain caused by the increase or reduction of bond angles, the strain due to eclipsing bonds on adjacent atoms, and the strain caused by the repulsive interactions among atoms attempting to occupy the same space. This phenomenon is fundamental in understanding the process of plastic deformation by slip, where blocks of crystal slide over each other due to dislocation motion under stress, without requiring the simultaneous breaking and reforming of all bonds along a plane.
While breathing into a plastic bag what happens to the levels of carbon dioxide in your blood?
what caused the mass extinction of the permian period
The leading hypothesis for the Permian extinction includes massive volcanic activity causing global warming and anoxic conditions, with further speculations on asteroid impacts and climate changes due to glaciation and warming.
Explanation:The Permian extinction, occurring at the end of the Paleozoic Period, was the largest mass extinction on Earth, with drastic biodiversity losses both in the oceans and on land. Leading hypotheses for this cataclysmic event suggest that extended volcanic activity, which may have led to a runaway global-warming event, played a key role. This volcanic activity spewed enough basaltic lava, particularly in Siberia, to potentially induce severe warming, anoxic oceans, and a subsequent collapse of marine and terrestrial ecosystems.
Additionally, other speculations include asteroid impacts, similar to the one at the end of the Cretaceous period, and rapid climate changes caused by oscillations between glaciation and warming phases. These tumultuous conditions not only obliterated an estimated 96 percent of marine species and 70 percent of terrestrial species but also set the stage for the rise of new life forms in the Mesozoic Era, including the dinosaur's evolutionary lineage.
Help i do not understand this plllleeeaaassseee
Select one microbe, can be infections. What are three interesting facts for the microbe? Is it infectious? If so, what are standard precautions against the spread of the disease?
What happens when you mix vinegar and baking soda?
The human heart has to pump the average adult's 6.2 l of blood through the body every minute. the heart must do work to overcome frictional forces that resist the blood flow. the average blood pressure is 1.3×104 n/m2 .
Bird wings and dragonfly wings are both used for flight is it homologous structure or analogous structure
Answer:
✔ Analogous structure
Bird wings and dragonfly wings are both used for flight.
✔ Homologous structure
Clams and snails both have similar muscle structure even though the muscles do different jobs.
✔ Homologous structure
Human and giraffe necks both have 7 vertebrae because we are related.
✔ Homologous structure
The flaps of a Venus flytrap have a similar makeup to oak leaves.
Analogous structures, unlike homologous structures, originated in response to a similar environmental challenge and are similar in function but not structure. Therefore, Bird wings and dragonfly wings are both analogous.
What are analogous structure?In contrast to homologous structures, analogous structures are characteristics of different species that have evolved in response to a similar environmental challenge and are similar in function but not necessarily in structure.
Examples of similar structures include the wings of flying creatures like bats, birds, and insects, as well as the fins of fish and penguins. Similar structures can be seen in other animals and plants as well, such as those seen in sweet potatoes and potatoes, both of which serve as food storage.
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Know the 3 basic types of water pollution and be able to identify examples of each.
A regulatory system in your body that reinforces a change and drives it to a conclusion is called
Which of the following hormones is responsible for the maturation process in the ovarian follicles and for stimulating the development of corpus luteum in a female
Describe at least two ways that carbon can get from a land plant to the atmosphere
The carbon cycle is the movement of the carbon through the rock and sediment, the aquatic environment, land environments, and the atmosphere (including living organisms in all that).
Carbon is released from the plant into the atmosphere through the process of respiration in the form of carbon dioxide (CO2). Respiration is the process which is the reverse of photosynthesis. During respiration, the O2, taken in through stomata is used by the cells in the leaves to break down glucose into CO2 and H2O. The other way of releasing carbon from the plant into the atmosphere is by decomposition. Carbon can be stored as biomass in the roots of trees for many decades and then released back into the atmosphere by decomposition. Sometimes, dead plant matter accumulates faster than it is decomposed and the remains stay in underground deposits. When layers of sediment compress this matte,r fossil fuels will be formed and the carbon within those fossil fuels will be released during humane combustion processes.
Carbon is an important constituent of every living organism. The carbon cycle is the movement of carbon through sediment, water, and air to fulfill the requirement. The two ways in which carbon can get from a land plant to the atmosphere are cellular respiration and decomposition.
Carbon cycle is a biogeochemical cycle in which carbon is exchanged among hydrosphere, atmosphere, biosphere, and geosphere of the Earth. The two ways in which carbon can get from a land plant to the atmosphere are:
Cellular Respiration is the process in which glucose in the presence of oxygen is broken down to yield energy and evolve carbon dioxide. The carbon in the form of oxide is directly released in the atmosphere continuing the cycle. Decomposition is the process in which dead and decaying substances are broken down into simpler forms. When the land plants are dead and decomposed in the soil, it releases carbon. The carbon is stored as biomass in the roots of trees and other plants. Thus, when these plants are accumulated in the sedimentary layers, it gets converted into fossil fuels. The combustion of fossil fuels releases carbon into the atmosphere.Therefore, respiration, decomposition, and combustion are some of the process through which carbon is exchanged between different systems of Earth.
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What is the function of the xylem? phloem?vascular cmabium? epidermis?
The xylem transports water and provides structural support, the phloem transports sugars, the vascular cambium facilitates secondary growth, and the epidermis protects the plant and minimizes water loss.
Below are the primary functions of the xylem, phloem, vascular cambium, and epidermis:
Xylem: Transports and stores water and water-soluble nutrients from the roots to other parts of the plant. It also provides structural support due to the thick walls of its cells, such as tracheids and vessels.Phloem: Responsible for transporting sugars, proteins, and other organic molecules produced during photosynthesis from the leaves to other parts of the plant. It comprises specialized cells such as sieve tube elements and companion cells.Vascular Cambium: A layer of dividing cells located between the xylem and phloem. It is responsible for the secondary growth of xylem and phloem tissues, contributing to the thickness of stems and roots.Epidermis: The outermost layer of cells covering the plant body, including the leaves, stems, and roots. It serves as a protective barrier against physical damage, pathogens, and water loss, often supplemented with a waxy cuticle.why are bacteria and archaea placed in seprate kingdoms
Describe the differences you see in the three types of muscle tissues hbs
Skeletal muscle is a muscle tissue used when running a marathon or blinking the eyes and formation of skeletal muscle comes from action and myosin muscle fibers. Smooth muscle are found in the wall of internal organs such as intestine and stomach. Contraction of the smooth muscle enable the organs to performs their function while cardiac muscle is commonly found in the wall of the heart. The contraction of the cardiac muscle enable the heart to beats and pumps blood.
Which one of the following scenarios accurately describes a condition in which resonance can occur? A. A column of air has a height equal to 1⁄8 of the wavelength of the sound waves produced by a tuning fork vibrating over the column of air in an open pipe that's partially immersed in water. B. A person is holding a tuning fork on one end of a football field and another person is holding a separate tuning fork on the opposite end of the field. C. A pipe's length is equal to 1⁄2 of the wavelength of the sound waves produced by a tuning fork vibrating over one end of the pipe that's open to the air at both ends. D. A vibrating tuning fork is struck and begins to vibrate as the object used to strike it is placed away from the tuning fork.
how does the presence of coal on antarctica indicates of coal on antarctica indicate a climate change
A) the discovery of a new coal deposit means people will be able to use this fossil fuel longer
B)coal deposits can tell scientist with the composition of the atmosphere was in the past
C)coal is burned for a fuel and releases carbon dioxide into the atmosphere
D) coal forms from the remains of plants that lived in tropical swamps millions of years ago
An exoskeleton is found in ________; an endoskeleton is found in ________.
Evidence for evolution how are dna and comparative anatomy used to show relatedness
Answer:
Homologies and vestigial structures are two evidences of the evolution of how DNA and comparative anatomy used to show relatedness
Explanation:
Living organisms have characteristics that make them similar to others, which may suggest that at some point in the history of life on Earth, they shared a common ancestor. When we look at the limbs of a crocodile and a rat, for example, we find that, despite their differences in morphology, they are quite similar in anatomy, suggesting that they may be related. In this case, we say that the characteristic is homologous, that is, it has a similar embryonic origin, but it does not always perform the same function.
Trace structures are structures that are atrophied and have no apparent function in an organism. The presence of these organs can be interpreted as evidence of evolution, since the structure, today without much apparent function, may in the past have been extremely important to the ancestors of that species.
Evidence for evolution are Fossil Record, Homologous Structures, DNA and Molecular Evidence. DNA and Comparative Anatomy to Show Relatedness as DNA Sequencing, Molecular Clock.
1. Fossil Record: The fossil record provides evidence of how species have changed over time. Fossils of extinct organisms help to establish transitional forms, showing the gradual changes and relatedness between different species.
2. Homologous Structures: Homologous structures are anatomical features in different species that share a common ancestry but may have different functions. These similarities suggest a common evolutionary origin. Comparative anatomy studies these structures and their patterns of variation across species.
3. DNA and Molecular Evidence: DNA and molecular analysis have revolutionized our understanding of evolution. By comparing the DNA sequences of different species, scientists can determine their degree of relatedness. Similarities in DNA sequences provide evidence of common ancestry and evolutionary relationships.
2) DNA and Comparative Anatomy to Show Relatedness:
1. DNA Sequencing: DNA sequencing allows scientists to compare the genetic material of different species. The more similar the DNA sequences are between two species, the more closely related they are thought to be. For example, humans and chimpanzees have a high degree of DNA sequence similarity, indicating a close evolutionary relationship.
2. Molecular Clock: Molecular clock analysis uses DNA mutations to estimate the time when two species diverged from a common ancestor. By comparing the number of genetic differences between species and the mutation rate, scientists can approximate the time of divergence and infer relatedness.
3. Homologous Genes: Just as there are homologous structures, there are also homologous genes. These are genes that are shared between different species because they were inherited from a common ancestor. The study of homologous genes provides strong evidence of shared evolutionary history.
4. Comparative Anatomy: Comparative anatomy examines the similarities and differences in the anatomical structures of different species. Homologous structures, such as the bones in the limbs of vertebrates, reveal common ancestry and relatedness.
5. Embryonic Development: Comparing the embryonic development of different species can reveal similarities in early stages, providing evidence of shared ancestry. For instance, the early embryos of fish, reptiles, birds, and mammals share common features, suggesting a common evolutionary origin.
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How does altering the environmental conditions affect the growth of radish seedlings?
Altering the environmental conditions will affect the growth of radish seedlings. When radish seeds are developed in environments with different light obtainability, seeds that have less light available will exhibit etiolation. Etiolation is regarded as having long pale yellow color stems and small leaves. On the other hand, seeds that have sufficient light available will be sturdier, green and tinier.
Why is evolution so central to every aspect of biology g?
If one gram of each of the following were eaten as food, identify which would yield the most energy within the cell.
Answer & explanation:
When we refer to macronutrients, we talk about proteins, carbohydrates and lipids.
In a meal, carbohydrates are usually in greater quantity than proteins and fats, and are primarily used as fuel for metabolic processes.
Carbohydrates have on average 4 kcal per gram (or 17 kJ/g), proteins also have 4 kcal/g, but fats are approximately 9 kcal per gram (or 37 kJ/g).
Thus, fats have a higher energy charge compared to proteins and carbohydrates, although they are not primarily used as cellular fuel.
Proteins generally have widely different structures, whereas nucleic acids have quite similar structures. explain g
Proteins generally have widely different structures, the nucleic acids have quite similar structures are proteins that has been made up of smaller units called amino acids.
What is amino acid?Proteins generally have widely different structures, the nucleic acids have quite similar structures are proteins that has been made up of smaller units called amino acids.There are twenty different amino acids which are joined together in different pattern to form proteins. Further the folding of polypeptide chain give rise to different shapes and structure of proteins.
Nucleic acids are made up of one kind of monomers called nucleotides. These nucleotides are attached with each other in the form of double strand (DNA) or in single strand form (RNA).The main function of protein is to maintain the structure and function of organs, repair muscle, and muscles. Diet contain high protein has been recommended for the purpose of losing weight, reducing fat, or increasing fat.
Therefore, Proteins generally have widely different structures, the nucleic acids have quite similar structures are proteins that has been made up of smaller units called amino acids.
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Acupuncture is an alternative medicine that uses wire-thin needles inserted by a trained practitioner into specific points in the body. This ancient form of pain relief and stimulation is said to benefit patients by blocking channels which practitioners claim allow pain to travel within the body. This practice became more widely recognized and used after a New York Times reporter wrote in 1971 of a positive experience with it after surgery. Those who doubt the effectiveness of this treatment for pain attribute the pain relief to a placebo effect: if a patient believes something will reduce their pain, they will experience some relief. The National Institutes of Health says that acupuncture relieves pain and reduces nausea and vomiting, although it is unclear how it works. The few adverse effects reported are due to improperly sterilized needles or improper delivery, making this still a fairly low risk option. For anyone considering acupuncture, they should first research its effectiveness for their specific condition. Summary of statements published by the National Institutes of Health After reading the passage about acupuncture, identify which scientific claim explains why some people say acupuncture does not truly relieve pain.
Answer:
"Those who doubt the effectiveness of this treatment for pain attribute the pain relief to a placebo effect: if a patient believes something will reduce their pain, they will experience some relief."
Explanation:
There is no scientific evidence to prove the healing effect of acumpulture, so some people do not believe it to be a reliable method when relieving pain. The above shows why people who do not believe in the healing power of acupulture believe that those who undergo this treatment really feel a relief from pain. People who do not believe in acupuncture relate this relief to the placebo effect.
Placebo is any substance without pharmacological properties, administered to persons or groups of persons as if it had therapeutic properties. The placebo effect happens when people believe so much that a (ineffective) treatment will work that it actually works.