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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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When human or animal predators target the largest members of a prey population, prey individuals who ______ are at a selective advantage

  1. a. mature sexually while small
  2. b. grow rapidly and mature later
  3. c. reproduce a single time late in life
  4. d. do not reproduce

Summary Introduction

\Concept introduction: Predators are those that kill other another living organism for food. Predation is a kind of population control. Predators are a kind of biological interaction where they are adapted and often specialized for hunting. Many predators prefer the prey of a specific size, and the size of those individuals may change over time.

Explanation

Reasons for correct statements:

Life history of traits evolves in response to the predation, then these traits change over the time when the population is exposed to the new predator that favors different prey traits.

Option a. is given as, “mature sexually while small”. When the predators prefer large prey, prey individuals who reproduce when they are still small and young are at a selective advantage. When predators focus on small prey, fast- growing prey individuals have the selective advantage. Hence, the correct answer is option a.

Reasons for incorrect statements:

Option b. is given as, “grow rapidly and mature later”...

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