What level of ecology is concerned with groups of individuals of the same species?
A) community
B) organism
C) ecosystem
D) population
D
Biology & Microbiology
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Which term refers to the concentration of salts in soil?
a. salinization b. desertification c. erosion d. deforestation e. overexploitation
Biology & Microbiology
During the first major divergence of life the
atmosphere was a. high oxygen, high carbon dioxide. b. high hydrogen, low oxygen. c. changing from anaerobic to aerobic. d. firmly in the age of aerobes. e. all of these.
Biology & Microbiology
The majority of working American farmers are over what age?
A. 30 B. 40 C. 45 D. 50 E. 60
Biology & Microbiology
________ reactions are anabolic reactions involving ligases for synthesis and the release of one water molecule for each bond formed.
A. Condensation B. Reduction C. Transfer D. Oxidation
Biology & Microbiology