Answer: The answer is rock.
Explanation: A rock is a a solid substance in which it is composed of large quantities of one mineral, or contains 2 or more minerals.
The branch of biology concerned with the relationships between organisms and their environment economically can be written about without relying on well on examples such as tropical rainforest
Explanation:
The cell membrane, therefore, has two functions: first, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
Answer:
ecosystem
Explanation:
In this case, we have a situation where the scientist is describing an ecosystem. The ecosystem represents all the living organisms (flora and fauna), their environment, and the interactions that they all have between each other. In this case, we have the plants and animals being described, thus the flora and fauna, as well as the water and soil, thus their environment, so we have description of an ecosystem, or more specifically, the desert ecosystem of the Mohave Desert.
