The answer to this question would be D.) Permafrost prevents penetration of deep roots.
Hope this helped!
Ell theory refers to the idea that cells are the basic unit of structure in every living thing.
Survival of the fittest. If one organism thrives better in an enviornment and the other organism struggles, the one that is more adapted will obviously play a part in helping the less adapted organism die out. Food is a major point along with other aspects
To provide energy to the body.
