If the food is limited to the squirrels then that could impact how well they reproduce which could impact their numbers which therefore could impact the food source for the foxes which eat them. Fewer squirrels means the foxes will slow down on their reproductive numbers as well...they are all linked!
Carbon dioxide because every other option requires an input.
Answer:
A special characteristic of one living creature is to grow, to do metabolic processes to react to adapt and to reproduce.
Explanation:
The purpose of human life is to be aware of the existence, to understand existence, to be responsible and to enjoy.
Why are we chosen to live in this world it is not known. There are theories that RNA plays an important part in this. The process that many forms of life developed through history by mutation and natural selection. And the most common answer to a question why are we here is the simple process of evolution.
The levels of an environment to be organized are populations,species,community,and the ecosystem