Answered: 4. Which of the following is an example…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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4. Which of the following is an example of convergent evolution?

Group of answer choices

a. A population of finches becomes separated in the Galapagos Islands and begins to develop into two different species of finch

b. Two different species of plants in separate deserts evolve a similar waxy outer cuticle to preserve water

c. One species of lizard evolves a green coloration to blend in with its tropical forest surroundings, whereas another species evolves a tan coloration to blend in with its desert surroundings

d. Because they share a recent common ancestor, Lions and Bengal Tigers both have retractable claws for catching prey

e. Melanic moths begin to lose pigment in their wings as the environment becomes less polluted

6. Which of the following scenarios is an example of stabilizing selection?

Group of answer choices

a. A population of sharks is evolving towards the average body size; small sharks fall prey to killer whales, large sharks can't get enough food

b. Desert rats scurry into burrows when they detect a nearby predator. Desert burrows are very small and so only the smallest desert rats can use them for escape.

c. A population of hummingbirds evolves towards longer and longer breaks in order to get the nectar at the bottom of tube-shaped flowers

d. A population of snakes is diverging away from light tanish coloration and towards white and brown; brown snakes blend in with the bark of trees, white snakes can hide amongst the flowers

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