Answer:
Bottleneck effect
Explanation:
The Bottleneck effect is when species go through an event that reduces its population. The ones that survive have reduced genetic diversity compared to the original population since fewer individuals means there are fewer genotypes.
Answer:
I think this is 2 because there would have been bigger predators in the ocean vs. a lake
Digestive system occurs when youthe nutrients move from the digestive system into the blood system
