Answers
Some provide nutrients for each other
Explanation:
They have longer periods of revolution.
Answer:
The correct answer is - deuterostomes.
Explanation:
Duetorstomes eggs ,During embryonic development the zygote undergoes cleavage. Cleavage results is slitting into multiple cells where ease cell has the ability to develop into a complete embryo when isolated.
Ocean floor is much more denser than the continental crust that's why the oceanic crust subduct rather than the continental crust
