n 1978, scientists studied how the fitness of marine sticklebacks would be affected if they were introduced into a freshwater environment. They collected 90 male and 90 female sticklebacks from a marine population and 10 male and 10 female sticklebacks from a freshwater population. The 200 sticklebacks were introduced into a freshwater environment that had no stickleback fish previously. Which of the following best describes the likely results of the scientists’ investigation of the fitness of the sticklebacks that were originally from a marine environment? The fitness of the sticklebacks from the marine environment increased because their chance of survival and reproduction is greater in the freshwater environment than in the marine environment.Answer A: The fitness of the sticklebacks from the marine environment increased because their chance of survival and reproduction is greater in the freshwater environment than in the marine environment.AThe fitness of the sticklebacks from the marine environment increased because their chance of survival and reproduction is less in the freshwater environment than in the marine environment.Answer B: The fitness of the sticklebacks from the marine environment increased because their chance of survival and reproduction is less in the freshwater environment than in the marine environment.BThe fitness of the sticklebacks from the marine environment decreased because their chance of survival and reproduction is greater in the freshwater environment than in the marine environment.Answer C: The fitness of the sticklebacks from the marine environment decreased because their chance of survival and reproduction is greater in the freshwater environment than in the marine environment.CThe fitness of the sticklebacks from the marine environment decreased because their chance of survival and reproduction is less in the freshwater environment than in the marine environment.

Sticklebacks are fishes that are related to seahorses or pipefishes. They belong to the family…

Answered: The fitness of the sticklebacks from…

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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n 1978, scientists studied how the fitness of marine sticklebacks would be affected if they were introduced into a freshwater environment. They collected 90 male and 90 female sticklebacks from a marine population and 10 male and 10 female sticklebacks from a freshwater population. The 200 sticklebacks were introduced into a freshwater environment that had no stickleback fish previously.

Which of the following best describes the likely results of the scientists’ investigation of the fitness of the sticklebacks that were originally from a marine environment?

The fitness of the sticklebacks from the marine environment increased because their chance of survival and reproduction is greater in the freshwater environment than in the marine environment.

Answer A: The fitness of the sticklebacks from the marine environment increased because their chance of survival and reproduction is greater in the freshwater environment than in the marine environment.

A
The fitness of the sticklebacks from the marine environment increased because their chance of survival and reproduction is less in the freshwater environment than in the marine environment.

Answer B: The fitness of the sticklebacks from the marine environment increased because their chance of survival and reproduction is less in the freshwater environment than in the marine environment.

B
The fitness of the sticklebacks from the marine environment decreased because their chance of survival and reproduction is greater in the freshwater environment than in the marine environment.

Answer C: The fitness of the sticklebacks from the marine environment decreased because their chance of survival and reproduction is greater in the freshwater environment than in the marine environment.

C
The fitness of the sticklebacks from the marine environment decreased because their chance of survival and reproduction is less in the freshwater environment than in the marine environment.

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