Mosquitoes can often transmit viruses from one organism to another, acting as of the virus.

a. symbionts b. parasites c. bacteriophage d. vectors

Explain how the political influence of african americans leaders became weaker.

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Which animal is a producer in this ecosystem