Answer:
A
Explanation:
If Im wrong pls correct me, I hope it will help
Answer:
abiogenesis
Explanation:
a (not) biogenesis (coming from other life forms)
Biogenesis would mean that it's coming from other life forms,
Natural selection is a part of evolution (what is there to select?)
Variation is also a part of evolution (not related)
The muscles that are grouped in between the ribs are called Intercostal
