The origin of amphibians from fish is an example of

a. microevolution.
b. macroevolution


B

Environmental & Atmospheric Sciences

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As Apollo 12 ascended into the atmosphere, the height of the surrounding clouds was 12,800 m. Which of the following types of clouds was indicated by a lightning stroke within the surrounding clouds?

A. cumulonimbus B. cumulus congestus C. cirrus D. cirrocumulus

Environmental & Atmospheric Sciences

Although Homo erectus migrated outside of Africa, some scientists believe that modern humans evolved in one

African location, and then migrated from Africa. a. True b. False

Environmental & Atmospheric Sciences

Which of the following best matches the description?An organism that can manufacture food from inorganic compounds and light energy.

A. biomass B. carbon cycle C. denitrifying bacteria D. trophic level E. omnivore F. habitat G. secondary consumer H. ectoparasite I. nitrogen cycle J. interspecific competition K. limiting factor L. producer M. intraspecific competition N. nitrogen-fixing bacteria O. community P. herbivore

Environmental & Atmospheric Sciences

Extrusive igneous rocks are typically fine grained because they crystallized slowly, deep below the Earths surface

a. true b. false

Environmental & Atmospheric Sciences