Some living thing's bodies are weaker than others. For the species to live, the strong ones of the species will not get sick, reproduce and create strong offspring. The weak will die out.
Because it helps the environment strive and keep its self alive my controlling populations and bringing in new ones
Answer:
3 and 4 are most closely related.
5 and 6 are also most closely related.
Answer:
Mechanical Energy
Explanation:
In physics, "mechanical energy is the sum of potential energy and kinetic energy."
