Answer:
B) DDT resistant mosquitoes existed in the population. The presence of DDT selected for mosquitoes that survived the application. Those resistant mosquitoes reproduced with more success.
Explanation:
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Answer:
A. Gum
Explanation:
I hope no one uses gum to make a drawing.
if the number of blue jays is increased then the number of caterpillars as well as number of mice will decrease as they mostly feed on caterpillars and mice.
Parasites that use only a single host species in their life are called monoxenic; those with multiple hosts are called heteroxenic. ... intermediate hosts are all the others. Paratenic hosts are hosts that are used only for transport; no life cycle stages are completed within the host.