B) Cell wall.
Hope this helps!
-Payshence xoxo
B the origin of new matter in the steady state theory???
Organic matter in soil is also called humus.
it depends on the species DNA compared to another species to determine if the species are related or not. Like the human and the rhesus monkey they are closely related because all the genetic codes have the same DNA except one
Answer:
A nutrient is a chemical substance that organisms require to live.
