Survival on land for organisms is difficult because of the problem of
A. desiccation.
B. pollination.
C. syngamy.
D. coevolution.
E. spore germination.
Answer: A
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The term that Darwin used to describe the concept that those with superior physical, behavior or other attributes are more likely to survive than those that are not so well endowed, and thus are more likely to pass their traits to the next generation, is called:
A. geometric progression B. natural selection C. superior beings D. survival of modifications E. biological diversity
Which of the following organisms possesses a brain?
A. squid B. flatworm C. earthworm D. both squid and earthworm
Which group of microorganisms is composed only of hereditary material wrapped in a protein covering?
A. Yeasts B. Parasites C. Bacteria D. Viruses E. Fungi
The portion of the peripheral nervous system that regulates the internal environment is the:a
telencephalic nervous system. b. autonomic nervous system. c. thalamic nervous system. d. somatic nervous system. e. hypothalamic nervous system.