Nematodes and rotifers have a body cavity that is
a. called a coelom.
b. called a pseudocoelom.
c. completely lined by tissues derived from mesoderm.
d. both a and c.
a
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The nitrogen in our atmosphere is only usable to us after it is converted to
A. ammonia. B. amino acids. C. fertilizer. D. nitrous oxide.
The five substages of M phase are designed to accomplish two main goals: equal partitioning between the two cells of chromosomal material and of cytoplasmic contents. What are these two processes called?
What will be an ideal response?
Most carbon dioxide is transported in the blood in the form of bicarbonate. Indicate whether the statement is true or false
What was the perceived fundamental conflict between Darwin's and Mendel's theories?
a. Darwin was a scientist while Mendel was a monk. b. Mendel's experiments were unbiased, while Darwin set out to prove evolution by natural selection. c. Mendel's experiments were based on simple traits while Darwin's evidence was based on complex characteristics. d. Mendel's theory was based on experimentation while Darwin's was based on observation.