Sebaceous glands produce a substance that moisturizes and protects the skin. This is the correct answer because the sebaceous glands produce a fatty substance called sebum. The sebum will moisturize the skin and form a protective layer from infections.
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Answer:
vacuoles are larger in plant cells than in animal cells
Explanation:
Biotic factors: living or once-living
Abiotic factors: non living
I dont know the what the populations are (not enough information to answer)
Niche: a niche is a term describing the relational position of a species or population in an ecosystem. ... The abiotic or physical environment is also part of the niche because it influences how populations affect, and are affected by, resources and enemies.
