Scientific study of the population cycles of the snowshoe hare and its predator, the lynx, has revealed that
A) the prey population is controlled by predators alone.
B) hares and lynx are so mutually dependent that each species cannot survive without the other.
C) multiple biotic and abiotic factors contribute to the cycling of hare and lynx populations.
D) both hare and lynx populations are regulated mainly by abiotic factors.
E) the hare population is r-selected and the lynx population is K-selected.
Ans: C) multiple biotic and abiotic factors contribute to the cycling of hare and lynx populations.
You might also like to view...
Genes under positive control are ____
a. off until they are turned on b. always expressed
c. expressed unless a repressor protein is present d. controlled by several promoters to increase transcription e. regulated by feedback inhibition
Single-celled eukaryotes can survive and reproduce in both haploid and diploid forms. Yeast spend most of their life cycle and actively reproduce in which form?
What will be an ideal response?
Bacterial populations have been exposed to an antibiotic and have developed resistance to the antibiotic over time
Would this be an example of stabilizing selection, directional selection, or disruptive selection? Explain your reasoning. What will be an ideal response?
Innate immunity is not effective against fungus infections
Indicate whether the statement is true or false