The blastocyst is the type of blastula that is produced
by all
a. fish.
b. mammals.
c. birds.
d. reptiles.
e. amphibians.
Answer: b
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When species diversity is calculated, what is being measured?
A. Species number. B. The evapotranspiration rate. C. Both species number and relative abundance. D. The resistance of a community to disturbance. E. The process of inhibition.
Archaeans and bacteria are generally included in the:
a. seston. b. tripton. c. bacterioplankton. d. viriplankton. e. pleuston.
Geneticists use ____ to study the genetics of families through generations
a. Punnett squares b. pedigrees c. karyotypes d. DNA profiles e. fossil analyses
Phylogenetic trees show inferred evolutionary relationships in the form of multiple branching lineages connected by nodes.
Answer the following statement true (T) or false (F)