Two bird species compete in the forest for the same seeds. If ? = 0.75 and ? = 0.25, then (assuming the same carrying capacity for both)
A) the rate of seed consumption is the same for both species.
B) the environment can supply both species since the sum of competition coefficients equals 1.
C) species 1 "wins" and will outcompete species 2.
D) species 2 "wins" and will outcompete species 1.
C
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A group of organisms of one species that interbreed and occupy the same geographical location is a
A. population. B. flock. C. herd. D. community. E. peer group.
Which of the following statements concerning saliva is false?
a. Saliva moistens food. b. Saliva is secreted by three pairs of salivary glands. c. Saliva dissolves food so it can be tasted. d. Saliva starts the enzymatic digestion of lipids. e. Saliva starts the enzymatic digestion of starch.
The genome of eukaryotes consists of genes derived from
a. archaebacteria. b. eubacteria. c. both archaebacteria and eubacteria. d. neither archaebacteria or eubacteria.
Checkpoint mechanisms can determine whether DNA has been properly regulated but whether DNA is segregated to the daughter cells.
a. true b. false