The answer for this will be C an integration of organ systems this is because the endocrine system also works with the nervous system and immune system etc
<span>Organisms play an important role in the water cycle. As you know, most organisms contain a significant amount of water .</span>
The embryo, endosperm and seed coat.
Answer:the fitness of an organism is the ability to survive and reproduce
Explanation:
Biological or "Darwinian" fitness is being able to live long enough to reproduce and keep the population or species alive.