I think the answer is NUCLEUS.
Hope it helps!
Answer:
The fossils in the lower layers are older than the fossils in the upper layers.
Explanation:
Enzymes can be destroyed by variations in temperature or pH
Answer:
A
Explanation:
mtDNA is inherited from the mother of a child, this is because mitochondria are in the cytoplasm and the father's gamete (sperm cell) contributes very little or no cytoplasm to the zygote. We know that mitochondrial Eve came from Africa because the mutations in the mtDNA occurred before the <em>out-of-Africa dispersal</em>.
