The surface layer of soils is referred to as the

A) A horizon.
B) B horizon.
C) C horizon.
D) O horizon.


D

Biology & Microbiology

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Some fungal species can kill herbivores while feeding off of sugars from its plant host. What type of relationship does this fungus have with its host?

A) parasitic B) mutualistic C) commensal D) predatory

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An explanation for a biological process that is substantiated by a large body of evidence is called a ______.

A. hypothesis B. theory C. systems biology D. reductionism E. prediction

Biology & Microbiology

A researcher in a lab finds a microscopic organism that is a producer. The organisms are found in

extreme environments (i.e., hot springs). The researcher has identified an organism belonging to the domain ____.

a. Bacteria b. Archaea c. Eukarya d. Animalia e. Amoeba

Biology & Microbiology

Hereditarianism is the idea that all human traits are ____

a. partly influenced by environment b. traceable to our earliest ancestors c. influenced equally by genes and environment d. determined only by genes e. immutable from generation to generation

Biology & Microbiology