Answer:
below
Explanation:
when an organism decays, burning fossil fuels, respiration/breathing.
These are the top three that come to my head, hope this works :)
Answer:
C
Viruses need a host to survive.
Explanation:
A gene is a hereditary trait in your body and also apart of your DNA not visible to the naked eye making up how you look
Tracheae to distribute oxygen
Speciation is founded on the principle of genetic mutations and
<span>
speculated genetic possibilities</span>