CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 24.1, Problem 2CC
WHAT IF? Ø Suppose two bird species live in a forest and are not known to interbreed. One species feeds and mates in the treetops and the other on the ground. But in captivity, the birds can interbreed and produce viable, fertile offspring. What type of reproductive barrier most likely keeps these species separate in nature? Explain.
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Q2.16. When heavily armored marine sticklebacks have invaded freshwater lakes where there are no predatory fish,
their populations have evolved lighter body armor. Given what you've learned about evolution, which of the
following explanations for why this happens is most plausible?
O Young sticklebacks only grow heavy armor when they see predatory fish in their environment.
O When sticklebacks don't use their armor, it shrinks. Then they pass lighter armor to their offspring.
Concentrated pollutants in freshwater lakes disrupt the sticklebacks' ability to grow armor.
O Heavily armored fish grow more slowly and breed later, making armor disadvantageous in these lakes.
Select all that apply. Beetles from two geographically isolated populations are
captured and brought to the lab. When an adult male from one population and an
adult female from the other population are placed together, they mate, and the
female lay eggs a couple of days later. The eggs hatch, the beetles develop into
adults but are sterile. Which of the following are true?
This is an example of post-zygotic reproductive isolation.
O Sexual selection is likely responsible.
O This is an example of pre-zygotic reproductive isolation.
O Dobzhansky-Muller genetic incompatibility is likely responsible.
Question 3
Choose all that apply. Which of the following are true of adaptive radiations?
OAdaptive radiations involve relatively rapid speciation.
The evolution of the Hawaiian silverswords is an example of an adaptive
radiation.
OAdaptive radiations can occur when an ancestral species colonizes a new arca
and adapts to multiple open niches.
Question 4
What are the three major steps of…
Iti do a cohort study on some new cute animal, and I discover that most of the individuals die at a relatively young age, and only a few live close to the maximum age for the species, what
would you predict about the reproductive strategy of this species?
O They probably produce relatively few offspring and invest a lot of parental care into each offspring.
O They probably produce a lot of offspring, and invest a lot of parental care into each one.
O They probably produce a lot of offspring but do not invest much parental care in any individual offspring
O They probably produce offspring only after individuals manage to live to close to their maximum age
Chapter 24 Solutions
CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
Ch. 24.1 - Prob. 1CCCh. 24.1 - WHAT IF? Suppose two bird species live in a...Ch. 24.2 - Summarize key differences between allopatric and...Ch. 24.2 - Prob. 2CCCh. 24.2 - WHAT IF? Is allopatric speciation more likely to...Ch. 24.2 - MAKE CONNECTIONS Review the process of meiosis in...Ch. 24.3 - 1. What are hybrid zones, and why can they be...Ch. 24.3 - WHAT IF? Consider two species that diverged while...Ch. 24.4 - Speciation can occur rapidly between diverging...Ch. 24.4 - Prob. 2CC
Ch. 24.4 - MAKE CONNECTIONS Compare Figure 13.12 with Figure...Ch. 24 - Explain the role of gene flow in the biological...Ch. 24 - Can factors that cause sympatric speciation also...Ch. 24 - What factors can support the long-term stability...Ch. 24 - Is speciation something that happened only in the...Ch. 24 - The largest unit within which gene flow can...Ch. 24 - Prob. 2TYUCh. 24 - Prob. 3TYUCh. 24 - Prob. 4TYUCh. 24 - Which of the following factors would not...Ch. 24 - Plant species A has a diploid chromosome number of...Ch. 24 - Prob. 7TYUCh. 24 - SCIENTIFIC INQUIRY DRAW IT In this chapter, you...Ch. 24 - WRITE ABOUT A THEME: INFORMATION In sexually...Ch. 24 - Prob. 10TYU
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- Which of the following are post-zygotic reproductive barriers?a. Different mating songs prevent mate recognitionb. Species A breeds in Spring, Species B breeds in summerc. Species A and B mate, but the embryos die before hatchingd. The gametes of species A aren’t compatible with the gametes of species Be. Species A and B can mate and produce healthy offspring, but the offspring are infertilearrow_forwardIl Pause e000 What type of reproductive strategy is shown in the model and what is an evolutionary disadvantage of it? O A. Asexual reproduction; organisms that utilize this strategy have increased genetic diversity which increases their ability to adapt to frequent changes. B. Sexual reproduction; organisms that utilize this strategy have increased genetic diversity which increases their ability to adapt to frequent changes. C. Sexual reproduction; organisms that utilize this strategy lack genetic diversity which limits their ability to adapt to frequent changes. D. Asexual reproduction; organisms that utilize this strategy lack genetic diversity which limits their ability to adapt to frequent changes. 757 PM 日 3/22/202 日 e Type here to searcharrow_forwardMatchplease: 12345 pre-zygotic: geographic isolation 12345 pre-zygotic: behaviour 12345 post-zygotic: hybrid sterility 12345 pre-zygotic: timing 12345 post-zygotic: hybrid inviability 1. A species of salamanders is separated by a new road 2. Wolves tend to eat dogs. 3. A species of trout has members who mate in either April or June 4. A mule is not fertile. 5. Goats and sheep can mate, but the offspring are still-born.arrow_forward
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