Which of the following is a characteristic of a K-selected species?
a. large but few offspring
b. small but many offspring
c. low parental care
d. early self-sufficiency
a. large but few offspring
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During the infection cycle for a typical retrovirus, such as HIV, which uses RNA as genetic material, the genetic variation in the resulting population of new virus particles is very high because of
(A) damage to the virus particle from envelope loss during infection (B) errors introduced in the DNA molecule through reverse transcription (C) errors in the protein molecules produced in translation (D) recombination of the genomes of free virus particles
One result of the bottleneck affect can be
a. homozygosity. b. heterozygosity. c. increased genetic diversity. d. disruptive selection. e. the founder effect
Solenopsis invicta, a species of fire ant, was introduced to the United States from ____
a. South America b. Canada c. Asia d. Africa e. Europe
__________ are multicelled heterotrophs without cell walls. Fill in the blank(s) with the appropriate word(s)