Which of the Following Are TRUE Statements Regarding Animal Endocrine

question 87

Multiple Choice

Which of the following are TRUE statements regarding animal endocrine systems?

• A)Animal endocrine systems transmit chemical signals to coordinate the physiological activity of different organ systems within the animal's body.
• B)Animal endocrine systems transmit chemical signals to the environment that can be sensed by other members of the same species, affecting their behavior.
• C)Hormones may share common chemical structures in diverse animals but often evolve new functional roles.
• D)Steroid hormones evolve by changing their structures through natural selection.
• E)Steroid hormones evolve through changes in the expression of their receptors within different cells through natural selection.

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