All cetaceans exhibit similar surface behaviour like breaching,spy hopping,spouting etc..they are huge mammals who live in marine water.they live as a family
Answer:
A) species with short reproductive cycles
Cleaning/preparation I know that these are correct because i put the same answer on my test and they were correct
Answer: I think that the reason to this is because the oxygen abundance was too low, the competition for food and other resources was too high, so there could be fish the would be filtered out and be killed.
Explanation:
The Earth's interior and the sun.
