the watson & crick model suggests that if you know the sequence of nucleotides on one strand of dna, making the second strand is simple. what feature of the model is directly responsible for this?

What is a universal way that predation benefits the predator? predation increases mate availability. predation in defense of space. the predator gets the energy it needs to survive. the predator keeps parasites from hurting the species.

What was the land like over 500 million years ago? what was under the sea?

Modern whales developed their traits through natural selection what occurs during the process of natural selection