In warm and temperate waters, common phytoplankton are the
a. diatoms.
b. radiolarians.
c. coccolithophores.
d. dinoflagellates.
e. salps.
D
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Fire can move, grow, reproduce, use energy, consume oxygen, and interact with its environment. Why is it not alive?
A) It does not have cells. B) It does not consist of complex, well-ordered structures. C) It does not pass on genes for traits to its offspring. D) All of the above are correct.
Single layer of cube shaped cells
A. Pseudostratified columnar B. Simple columnar C. Simple cuboidal D. Simple squamous E. Stratified squamous F. Transitional
Choose the largest block of time.
A. epoch B. period C. age D. era
From a sociobiological perspective, altruism is a behavior that
A) does not have a genetic basis. B) can potentially enhance the altruist's fitness. C) will always be selected against. D) occurs only in the social insects.