Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 18, Problem 14RQ
Which situation is not an example of a prezygotic barrier?
- Two species of turtles breed at different times of the year
- Two species of flowers attract different pollinators
- Two species of birds display different mating dances
- Two species of insects produce infertile offspring.
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In some bee population, only large bees are big enough to unfold flower petals and obtain nectar and pollen. prezygotic or postzygotic
Match the scenario to the type of sexual selection:
Question
10 male parrots wish to mate with a female. The female chooses to mate with the male that has the brightest tail feathers.
Male giraffes perform mating dances. The ones that perform the dance better are chosen by the female as a mate.
Male kangaroos fight each other, the winner claims the female to mate with.
Male red-winged blackbird sing and display their feathers to establish their territories. All of the females in that territory will exclusively mate with that male.
The impressive feathers of a male peacock are the result of this type of sexual selection
All Answer Choices
A.
Intrasexual selection
B.
Intersexual selection
Assortive mating generally leads to lower diversity because;
Assortive mating actually increases diversity
Individuals choose to mate with individuals who are dis-similar to themselves
Individuals choose to mate with other similar individuals
Individuals choose to mate later in life
Chapter 18 Solutions
Biology 2e
Ch. 18 - Figure 18.14 Which is most likely to survive,...Ch. 18 - Figure 18.22 If two species eat a different diet...Ch. 18 - Figure 18.23 Which of the following statements is...Ch. 18 - Which scientific concept did Charles Darwin and...Ch. 18 - Which of the following situations will lead to...Ch. 18 - Which description is an example of a phenotype? A...Ch. 18 - Which situation is most likely an example of...Ch. 18 - Which situation would most likely lead to...Ch. 18 - What is the main difference between dispersal and...Ch. 18 - Which variable increases the likelihood of...
Ch. 18 - What is the main difference between autopolyploid...Ch. 18 - Which reproductive combination produces hybrids?...Ch. 18 - Which condition is the basis for a species to be...Ch. 18 - Which situation is not an example of a prezygotic...Ch. 18 - Which term is used to describe the continued...Ch. 18 - Which components of speciation would be least...Ch. 18 - If a person scatters a handful of garden pea plant...Ch. 18 - Why do scientists consider vestigial structures...Ch. 18 - How does the scientific meaning of “theory” differ...Ch. 18 - Explain why the statement that a monkey is more...Ch. 18 - Why do island chains provide ideal conditions for...Ch. 18 - Two species of fish had recently undergone...Ch. 18 - Why can polyploidy individuals lead to speciation...Ch. 18 - What do both rate of speciation models have in...Ch. 18 - Describe a situation where hybrid reproduction...
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