Estimates of earth's carrying capacity for humans vary from about 0.6 billion to several tens of billions.
a. true
b. false
Ans: a. true
Biology & Microbiology
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Under the ___________ , species are identified based on their unique habitat requirements.
A. phylogenetic species concept B. biological species concept C. evolutionary species concept D. ecological species concept E. general lineage concept
Biology & Microbiology
A deficiency of vitamin C can result in
a. anemia. b. beriberi. c. night blindness. d. rickets. e. scurvy.
Biology & Microbiology
ectotherms
What will be an ideal response?
Biology & Microbiology
After consuming an antacid like Rolaids, ________.
A. HCl production would decrease B. the stomach would absorb water C. the pH of the stomach fluid would decrease D. the pH of the stomach fluid would increase
Biology & Microbiology