<span>continue to divide even when they are tightly packed together.
Hope this helps(;</span>
I believe the correct answer is C. Nektons include bony fish and squid.
Answer:
Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function.
20. The answer is 1 (Precambrian)
21. The answer is 4 (Pennsylvanian)
22. The answer is 2 (Bony Fishes, Dinosaurs, and Mammals)
23. The answer is 2 (Reptiles)