Which of the following are characteristics of a keystone species?
A. They are most often mammals.
B. They evoke a strong emotional response in people.
C. Their presence dictates the survival of the entire community.
D. They have a very large population.
E. None of these are characteristics of keystone species.
Answer: C
You might also like to view...
What is the maximum Lod score for linkage at this locus?
Linkage between a gene of interest and a DNA marker is being studied. A mating results in 19 parental and 1 recombinant offspring. A) 0.22 B) 1.1 C) 6.3 D) 11
Which statement is true regarding trichomoniasis infection?
a. It is the least curable STD. b. It is caused by a protozoan. c. It cannot cause infertility. d. It has obvious symptoms. e. It typically goes away on its own.
Omnivores feed on
a. animals. b. plants. c. fungi. d. bacteria. e. any of these.
Which molecular method probes several genes or transcripts simultaneously?
a. ARISA b. DGGE c. microarrays d. T-RFLP