A subpopulation of a species of birds migrates to a different location from the rest of the species for breeding purposes. How might the genes change in the subpopulation? A. Their genes would change randomly and eventually revert to normalcy, which would allow the subpopulation to return to the main population. B. Their genes would change to better allow them to survive and reproduce in their new location. C. Their genes would not change at all and they would merely be a subpopulation living in a different location. D. Their genes would change so that they would continue to be well-adapted to their former locatio

A subpopulation of a species of birds migrates to a different location from the rest of the species for breeding purposes. How might the genes change in the subpopulation? A. Their genes would change randomly and eventually revert to normalcy, which would allow the subpopulation to return to the main population. B. Their genes would change to better allow them to survive and reproduce in their new location. C. Their genes would not change at all and they would merely be a subpopulation living in a different location. D. Their genes would change so that they would continue to be well-adapted to their former locatio

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter11: Evolution And Its Processes

Section: Chapter Questions

Problem 10RQ: Which situation would most likely lead to allopatric speciation? a. A flood causes the formation of...

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Which statement illustrates the connection between natural selection and overreproduction of a population? a) populations vary in their inherited traits. b) species produce more offspring than can survive in the environment. c) individuals with inherited traits that promote survival tend to have more surviving offspring. d) individuals with traits that do not enhance survival cannot reproduce.
A population of chipmunks live in an area of plentiful nuts and seeds on the ground. There are also fruit trees above, which provide a better source of nutrition for these chipmunks. Part A: In a scenario where the nuts and seeds become scarce, what adaptation or adaptations might develop in the group over time to help them survive in this same area? Part B: what is the name of the process that has occurred, and how would it likely occur in this population?
Which could lead to allopatric speciation by two populations of snail? Group of answer choices A. creation of a new mountain range between two populations B. a mutation in all members of one population which prevents gamete fusion between the two populations C. a change in breeding time of one population D. a change in mating behavior in one population but not in the other
Which BEST describes how survival of the fittest relates to natural selection? A) Organisms with favorable traits will be naturally selected to pass their traits on to the next generation. B) Organisms with the lowest gene mutations will be naturally selected to pass their traits on to the next generation. C) Organisms with the most recessive genes will be naturally selected to pass their traits on to the next generation. D) Organisms living in a stable environment will be naturally selected to pass their traits on to the next generation.
Which condition is the basis for a species to be reproductively isolated from other members? a. It does not share its habitat with related species. b. It does not exist out of a single habitat. c. It does not exchange genetic information with other species. d. It does not undergo evolutionary changes for a significant period of time.
A. Explain which force of evolution is seen here by a hybrid bird landing on an island that is not its home and breeding with the indigenous population. B. Explain which force of evolution randomly chooses an individual from a larger gene pool to form a new, smaller population with less genetic variety.
If two groups of mice live on opposite sides of a river, they are two separate species. What two processes must have occurred in order for them to have become separate species?
Suppose that global warming causes ocean rise that obliterates most of the Gulf Coast of Florida and much of its human population, and that radiation leaking from the destroyed Big Bend Nuclear Power Station causes a mutation that yields green hair in humans with the homozygous recessive mutant allele. Many years pass and a new island appears in the Gulf. This island is then colonized by an intrepid human population that is fixed for the recessive green hair allele. If the island population grows to 10,000 individuals and then an individual who is heterozygous for the green hair locus arrives on the island and mates with one of the residents, how many generations will it take for the dominant, non-green hair allele to reach a frequency of 99%? (Assume viability selection 20% in favour of the non-green allele and ignore the effects of genetic drift).
Suppose that global warming causes ocean rise that obliterates most of the Gulf Coast of Florida and much of its human population, and that radiation leaking from the destroyed Big Bend Nuclear Power Station causes a mutation that yields green hair in humans with the homozygous recessive mutant allele. Many years pass and a new island appears in the Gulf. This island is then colonized by an intrepid human population that is fixed for the recessive green hair allele. If the island population grows to 10,000 individuals and then a new mutation arises once in the population, with a single individual becoming heterozygous for the green hair locus, a) What is the probability that this non-green hair allele will reach fixation by genetic drift? (Assume no selection or additional mutation at this locus). b) What is the average time to fixation of this new non-green allele?
Dog breeders use selective breeding, also called artificial selection, to maintain a closed genetic lineage, and produce offspring with desirable traits. This violates which Hardy-Weinberg condition? a reproduction b no mutation c random mating d no natural selection
What effects might a declining honey bee population have in America? give evidence
Which question below directly corresponds to whether Lamarck or Darwin are correct about their theories of the mechanisms of evolution? A.) Why don’t the shorter neck giraffes feed on grasses and lower vegetation? B.) How would the shorter necked giraffes in Lamarck’s theory survive to reproduce and pass on the “need” for longer necks if they were unable to reach food? C.) Why won’t the taller necked giraffes in Darwin’s theory provide assistance to the shorter giraffes since they are the same species? D.) Will the smaller giraffes be more adapted to hide from predators since they wouldn’t be visible from greater distances?