The sending of, reception of, and response to signals constitute animal
A) cost-benefit analysis.
B) communication.
C) problem solving.
D) associative learning.
Answer: B
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Which evolutionary innovation was most significant in helping tetrapods move to dry terrestrial environments?
A) the lung B) the amniotic egg C) bone D) limb specialization E) endothermy
One gene is able to encode information for different forms of a protein via ____
a. alternative splicing b. primary splicing c. secondary splicing d. mRNA mutations e. tRNA mutations
Realized niches are larger than fundamental niches
Indicate whether the statement is true or false.
Which of the following statements is false?
a. Males often help with parenting in cases where females compete over males. b. There is often a ready-made harem in cases where males compete for access to females. c. Sexual selection through competition for mates leads to evolutionary change. d. Reproductive success is based upon the same criteria for both sexes. e. Males that do not have territorial or sexual status sometimes employ strategies that allow them to mate.