Answer:
Maintaining biodiversity has a direct economic value to humans. Humans depend on<u> plants and animals to provide us with food, clothing, energy, medicine, and shelter.</u>
Explanation:
As many as 40,000 species of plants, animals, and fungi<u> provide us with many varied types of clothing, shelter and other products. These include timber, skins and furs, fibers, fragrances, papers, silks, dyes, poisons, adhesives, rubber, resins, rubber, and more. We use animals for energy and transportation, and biomass for heat and other fuels</u>
The atoms in our atmosphere
The answer is B. Cell membrane and cytoplasm
If you mean a specific system then the reproductive system...but i haven't the slightest idea as to anything else to do with your question...
Saprophytes are fungi that are capable of getting nourishment from decaying plants in order to live their lives longer. They are known to stay in rich soil and in various dead trees. They often reside in decaying wood as well.