Answer:
James Watson and Francis Crick were mainly the first to build a model of a DNA structure. (Your welcome).
Explanation:
I believe it is "arctic predators or winter hunters" they all hunt in the snow and all of them are predator which mean they eat all different types of small animals like mice.
Answer:
Dna i think im not sure if it is right?
Explanation:
3 or 2 1 would not make sense
Answer:
An organism that doesnt not produce its own food
Explanation:
Heterotrophs are consumers who eat other organisms for food, while autotrophs or producers make food by process of photosynthesis.