The first land animals were probably the:a
arthropods.
b. amphibians.
c. reptiles.
d. mammals.
e. dinosaurs.
A
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The end of a skeletal muscle attached to a bone that does not move during contraction is called the origin.
a. true b. false
Ectomycorrhizae, associations in which the fungal hyphae surround but do not penetrate the cell walls of the plant roots, usually involve
A. ascomycetes and zygomycetes. B. ascomycetes and basidiomycetes. C. ascomycetes. D. basidiomycetes. E. zygomycetes.
Jenner's work with vaccinations depended on which of the following?
a. Trusting that the body produced agents that effectively overcame a disease-causing microbe b. Exposing patients to the exact pathogen he was trying to protect them from c. Selecting a microbe that could easily evade the immune system d. Selecting a pathogen that was a bacterium
Animals directly evolved from
A) plants. B) protists. C) fungi. D) bacteria.