Environment, genetics, selective breeding, random mating, random fertilization, recombination, crossing over, etc
Answer:
Tundra
Explanation:
Permafrost is a layer just beneath the surface of the ground that never thaws.
Ok here I go The answer is A
If I am not wrong the most important ones are:
1.Sacrum,
2.coccyx,
3.cranium,
4.sternum,
5.ribs,
6.clavicle,
7.pelvic girdle,
8.patella,
9.mandible,
10.tibia,
11.fibula,
12.carpals,
13.tarsals,
14.metatarsals,
15.metacarpals,
16.costal cartilages
17. Cervical vertebrae
Mitochondria, which is in cells and they produce energy in complex organisms.
