5: true
6: Oxygen
7: H+
8: true
Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called “spheres.” Specifically, they are the lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air)...
I hope this helps you with biology...
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D. Carnivores that eat other animals
A biotic factor is a living organism that shapes its environment.
Answer:
The cell wall is like the integumentary system of the human body because they both protect the interior from the external environment.
Explanation: