A) biome
Explanation - Biome is the ecological area where flora and fauna adapts themselves according to the environment or niche they are living in. An ecosystem is a group of living beings alongside the nonliving things of their condition, communicating as a framework.
Community is a group of organisms that interact with each other and carry out their work accordingly. Organism describes a particular being of a species. Therefore, Biome best suits the options given in the question.
The cell wall and chlorophyll are absent in animal cells. These are unique to plant cells.
McBossatronio,
The answer is the first option "all systems work together to stabilize the body." Homeostasis is the internal conditions that all living things have basically meaning how the body keeps cool during hot weather, or warm during cold weather. You ever wonder why you sweat when it's hot, or shiver when it's cold that's your body keeping warm and cool which helps all your systems work together.
Hope this helps!
Answer:
Kidney
Explanation:
Nephron is the basic unit of structure in the kidney
