1) What is one cause and one (not necessarily related) consequence of sexual sel
ID: 15071 • Letter: 1
Question
1) What is one cause and one (not necessarily related) consequence of sexual selection?a. Larger female gametes/higher rates of DNA repair
b. Larger time investment in rearing offspring by females / a lek
c. Creation of favorable gene combinations/high mutational load
d. Ornamentation in male birds/a tradeoff with natural selection
A PhD student is studying the effects of a damselfly (predator) on two species of mayflies (herbivores). Mayfly Species #2 is always found in lower abundance in the presence of Mayfly Species #1, but not vice, versa. The student conducts an experiment where she removes damselflies and compares abundance and population growth of the two mayflies in response to this predator removal. Removal of damselflies has no effect on either mayfly in terms of abundance.
1) What does the PhD student suspect (hypothesize) about what type of species interaction is at play?
a. Apparent competition
b. Amensalism
c. Intraspecific competition
d. Commensalism
2) What type of species interaction does the experiment reveal is at play?
a. Apparent competition
b. Amensalism
c. Intraspecific competition
d. Commensalism
if you could explain why that would be great. thanks!!
Explanation / Answer
C. Creation of favorable gene combinations/high mutational load.
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