D. Lichens live on other plants and provide nutrients for them, it’s a type of symbiotic relationship.
Answer:
Microorganisms and all other living organisms are classified as prokaryotes or eukaryotes. Viruses are considered neither prokaryotes nor eukaryotes because they lack the characteristics of living things, except the ability to replicate.
Explanation:
Gemstones are used commercially in jewelry because of their beauty, as well as in drill bits, because of their hardness and resilience.