Darwin concluded from his observations of nature and readings that
A. species do not change over time.
B. individuals compete with one another for limited resources and only the fittest survive and reproduce.
C. individuals compete with one another for limited resources and only the fittest survive.
D. an individual's likelihood of survival and reproduction are mostly due to chance and changes in the environment.
E. population growth is unlimited, leading to the large numbers of organisms.
B. individuals compete with one another for limited resources and only the fittest survive and reproduce.
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Which of the following is a lophotrochozoan protostome?
a. arthropods b. cnidarians c. mollusks d. chordates e. nematodes
Which of the following are associated with the nasal cavity?
a. palatine bones b. zygomatic bones c. vomer bone d. palatine bones and zygomatic bones e. palatine bones and vomer bone
Measuring the number of wins/loses for the cricket aggression experiment is an example of what kind of variable?
A. Discrete B. Ordinal C. Continuous D. None of the above
Under ideal conditions, prokaryotes are capable of reproducing at a decreased rate.
a. true b. false