The second trophic level in this food web would be filled by the __________
a. beetle
b. spider
c. possum
d. spider and possum
A
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Which of the following best substantiates why location 3 is an equatorial (tropical) climate?
A) It has a monsoon season during the winter months. B) It has consistent monthly averages for rainfall. C) The temperature is high for each monthly average. D) The temperatures reach 100 °F during some months. E) The temperatures are lower in June, July, and August.
The appropriate adjective to describe DNA replication is
a. nondisruptive. b. semiconservative. c. progressive. d. natural. e. lytic.
Which phylum is most closely related to the arthropods?
A) Mollusks B) Echinoderms C) Roundworms D) Annelids
Which of the following is not a chemical modification commonly found on core histone N-terminal tails?
(a) methylation (b) hydroxylation (c) phosphorylation (d) acetylation