Answer:
Microparasite expert at sucking the blood of mammals and birds
I have a powerful bite and live in rivers and swamps. People are often afraid of my big jaws. What am I?
What can provide food before it is alive, while it is alive and after it's dead?
It is an insect, and the first part of its name is the name of another insect. What is it?
I live in the ocean but I am not a fish. I have eight arms and can change colors quickly. What am I?
If lightning strikes an orchestra who is the one most likely to get hit?