In cases where a perpetual "arms race" occurs between biological antagonists, such as parasites and their hosts, sex is favored because it reduces linkage disequilibrium by recreating missing genotypes in an oscillating fashion

This hypothesis is called the ________ [two words] hypothesis. Fill in the blank(s) with correct word


Red Queen

Biology & Microbiology

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Environmental factors that might cause or contribute to schizophrenia include

A) infection by smallpox virus. B) maternal malnutrition. C) excess oxygen to a fetus. D) maternal use of anti-depressants.

Biology & Microbiology

The process of producing high-energy foods from inorganic compounds using sunlight energy is called:

a. heterotrophy. b. chemosynthesis. c. photosynthesis. d. grazing. e. solar irradiation.

Biology & Microbiology

Photochrome is the pigment responsible for

a. thigmotropism. b. phototropism. c. gravitropism d. photoperiodism. e. senescence

Biology & Microbiology

Reproductive isolating mechanisms are

a. specific behaviors that allow males to compete against other males for females. b. the processes by which sexual selection evolves within a population. c. the ways that gene flow is blocked between populations. d. the ways in which individuals within a species are unable to produce fertile offspring. e. the various geographic barriers to immigration and emigration of individuals between populations.

Biology & Microbiology