Which is the most accurate description of an ecosystem?

a. an ecosystem consists of a biological community-- the physical and chemical factors--that make up its abiotic environment.

b. an ecosystem consists of the biological community that occurs in some locale.

c. an ecosystem consists of the biological community that occurs in some locale and the chemical factors that make up its biotic or abiotic environment.

In the name staphylococcus aureus, aureus is thea. kingdom.b. specific name.c. genus.d. domain name.e. family name.

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.