Answer:
D. they can create deep valleys
Explanation:
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Answer: The main function of the pineal gland is to receive information about the state of the light-dark cycle from the environment and convey this information to produce and secrete the hormone melatonin.
Explanation:
The answer would be: cooperative interactions between the termites and the protozoa allow termites to extract <span>energy from wood to survive
The experiment shows that the termites lost the ability to digest wood when the protozoa that live in their gut is eliminated. The ability to digest wood will be back after the termites eat feces that contaminated with the same protozoa.
This shows that the protozoa have a symbiosis with the termite that gives the ability to digest the wood.</span>
The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information.
