Which one of the following is represented by the calculation: (number of births — number of deaths)/total population?
A) fertility rate
B) birth rate
C) population growth rate
D) replacement fertility rate
E) zero population growth
C
Biology & Microbiology
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________ is the process by which close ecological interactions cause two species to evolve jointly
a. Coevolution b. Adaptive radiation c. Exaptation d. Extinction
Biology & Microbiology
How long can it take for a full stomach to empty?
1.1–2 hours 2.2–4 hours 3.2–6 hours 4.4–8 hours 5.6–8 hours
Biology & Microbiology
Erythropoietin is secreted by the kidneys in response to an increase in blood oxygen levels.
a. true b. false
Biology & Microbiology
What is the initiator triplet in both prokaryotes and eukaryotes? Which amino acid does this triplet recruit?
A) AUG; methionine B) UAA; no amino acid called in C) UAA or UGA; arginine D) UAA; methionine E) AUG; arginine
Biology & Microbiology