Answer:
DNA replication needs to occur because existing cells divide to produce new cells. Each cell needs a full instruction manual to operate properly. So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!
It’s what the plant uses to produce food for itself.
Answer:
Inter-Tidal Zone
Explanation:
This area is known as the inter-tidal zone, where the animals must be able to withstand the sun's heat and the ocean.
Answer: Single cell organisms dont need a respiratory system because oxygen and carbon-dioxe diffuses between their body tissues and the enviorment.
Answer:
A
Explanation:
i guessed ona quiz and got it right.
