"Alveoli" <span>is where gas exchange takes place between the lungs and the blood.
Hope this helps!</span>
1 grass -2 beetle -3 bluebird-4 fox
Organism: the Definition is online “ A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism
Answer:
<h2><u>
A. Having a nucleus</u></h2>
Explanation:
Many organisms have nuclei, but certain types of one-celled prokaryotes and bacteria do not have one.