B is the correct answer because none of this that you put are testable.
The scientific name for white oak is Quercia Alba and the scientific name for red oak is Quercia Ribera, this tells us that both the species are closely associated because of the fact that they are in the similar genus. A genus refers to a principal taxonomic category, which ranks below family and above species, and is signified by a capitalized Latin name.
This also suggests that all of their taxonomic groups are similar from domain to genus. The more common taxonomic groups exhibited by the organisms, the more closely they are associated.
Answer:
Sea Urchin
Explanation:
Basically any animal that the Sea Otter eats
Answer:
Human microbiome
Explanation:
The microbiota that aggregates in the human tissues including placenta, skin, lungs, saliva, and seminal fluid is the human microbiome. The microbiota can be virus, bacteria, fungi and protists.
The microbiome present in the human gut helps in digestion and also provides immunity. Microbiomes can be healthy or unhealthy and an imbalance of both can lead to weight gain, high cholesterol and blood sugar. These are the ecological communities that includes symbiotic, commensal and pathogenic microorganisms.