According to the Biological Species Concept, two groups of creatures are sometimes considered separate species even if they are capable of creating fertile offspring
a. True
b. False
Answer a
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Analogies are similarities that are shared by organisms that belong to the same genus
Indicate whether the statement is true or false.
Scapulamancy, pyromancy, chiromancy, and necromancy are all examples of:
a. fortumancy. b. rites of passage. c. divination. d. witchcraft. e. sorcery.
A population can be defined as:
A. a cluster of individuals of the same species who share a common geographical area and find their mates more often in their own cluster than in others. B. a cluster of individuals of the same species who live in different geographical areas and find their mates more often in their own cluster than in others. C. a cluster of individuals of the same species who share a common geographical area and find their mates more often outside their own cluster than in their own. D. a cluster of individuals of similar species who share a common geographical area and find their mates more often in their own cluster than in others.
Why are polychlorinated biphenyls toxic to humans? All of the following are consequences except:
a. They weaken the immune system b. They cause liver damage. c. They cause brain damage to children exposed in the womb. d. They cause skin cancer.