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Questions and Answers
Which of the following statements is true about an animal's body plan?
Which of the following statements is true about an animal's body plan?
- An animal's body plan is the result of a pattern of development programmed by the genome. (correct)
- An animal's body plan is influenced by the size of its muscles.
- An animal's body plan is consciously designed by the animal itself.
- An animal's body plan is determined solely by physical laws.
What is a limitation that affects animal body plans as their size increases?
What is a limitation that affects animal body plans as their size increases?
- Mobility becomes unlimited.
- Internal skeletons, such as those of vertebrates, become less necessary.
- The muscles required for locomotion become a smaller fraction of the total body mass.
- Thinner skeletons are required to maintain adequate support. (correct)
Which type of animal body plan is affected by the limitation mentioned in the text?
Which type of animal body plan is affected by the limitation mentioned in the text?
- Animals with external skeletons, such as insects and other arthropods.
- Animals with no skeletons.
- All animals are affected by this limitation. (correct)
- Animals with internal skeletons, such as vertebrates.
What happens to the fraction of body mass in leg muscles as an animal's body size increases?
What happens to the fraction of body mass in leg muscles as an animal's body size increases?
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What is the relationship between an animal's body size and its mobility?
What is the relationship between an animal's body size and its mobility?
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