Affects populations,
Occurs when there is genetic variation
Selects organisms with certain traits to survive.
Answer:A=1 B= 3 C=2
Explanation: if you put a 2 where C is then the amount will then change to P4O6. so therefore keeping the P4 on the left side the same will keep that same amount & putting a 3 with the O2 on the left will increase the amount for it to be equal on both sides.
hope that makes sense sorry!
Answer:
Jurassic
Explanation:
There are six periods in the Paleozoic Era: Cambrian, Ordovician, Silurian, Devonian, Carboniferous (alternatively subdivided into the Mississippian Period and the Pennsylvanian Period), and the Permian
Answer:
the complete question is found in the attachment
Explanation:
the complete explanation is found in the attachment