Q1- D
q2- C
q3- B
I am assuming you only need one answer for each, good luck!
The new species come from old ancestors of the animals that were there, over time they slowly evolved, and they adapted to that new environment.
They live every where
They can effect you and other organisms
They are microscopic
Answer:
Viruses cannot reproduce on their own, but inject their DNA into living cells in order to make copies of themselves.
Explanation:
A virus cannot reproduce itself outside the host because it lacks the complicated machinery that a [host] cell possesses.
By the heat of the enegry
