Answer:
1,3,4
A dichotomous key uses questions or statements to help identify organisms, it also uses characteristics in it's questions ( that may be yes-no) and statements to help separate organisms from one another.
Hope this helped and plz mark as brainliest!
Explanation:
Answer:
atria
Solution
the atria i believe is the upper chambers of the heart..
Viruses depend on the host cells that they infect to reproduce. When found outside of host cells, viruses exist as a protein coat etc.
true.