Ants, termites, and some other insects as well as
mole-rats are __________. Fill in the blank(s) with the appropriate word(s).
Answer: eusocial
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The process of evolutionary changes that result in formation of new species and groups of species is called
A. temporal evolution. B. artificial selection. C. macroevolution. D. serial evolution. E. a combination of temporal and serial evolution.
Suppose after bacterial conjugation, the recipient cell contained the a and b genes. From this information, what can
you conclude?
a. The donor cell was unable to make contact with the recipient cell. b. The donor cell was F-. c. The donor cell produced an abnormal sex pilus. d. All of the genes could not fit through the sex pilus at one time. e. The sex pilus was broken before the rest of the genes could be transferred.
Amphibians are thought to have evolved from
A. spiny fish. B. lobe-finned fish. C. ray-finned fish. D. skates and rays. E. annelids.
Three weeks after conception, which of the following has happened in an embryo?
A) organ formation B) primitive eye formation C) limb bud formation D) neural tube formation