Commensalism is a type of ____
a. predation
b. symbiosis
c. active competition
d. scramble competition
e. competitive exclusion
ANSWER: b
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In DNA the purines are
a. thymine and cytosine. b. adenine and cytosine. c. adenine and guanine. d. thymine and adenine. e. guanine and thymine.
The umbilical cord functions to
a. carry waste products in the blood from the fetus to the mother. b. carry waste products in the blood from the mother to the fetus. c. carry oxygen in the blood from the mother to the fetus. d. do both a and c.
The human genome consists mostly of noncoding DNA
Indicate whether the statement is true or false
You have isolated a new organism which has eukaryotic cells, is multicellular, grows as hyphae, does not perform photosynthesis, and has a cell wall. This organism most likely belongs to which kingdom?
A) Protista B) Bacteria C) Fungi D) Archaea E) either Fungi or Protista