B. Excretory system. Think of it helping things to EXIT your body
The answer is Rewrite
Hope this helps! :P
Answer:
D.
Explanation: Ecology: relation of organisms with one another or their surroundings.
Answer:
An organisms niche is it's role in the ecosystem. This includes what it eats and what it's eaten by, and is usually affected by it's habitat.
An organisms habitat is simply where the organism lives.
<span>A six carbon sugar is an example of </span>monosaccharide, <span>that can join with other molecule to form a </span>polysaccharide
<span>such as starch or cellulose
</span>
