Answer:
Soil is full of life. It is often said that a handful of soil has more living organisms than there are people on planet Earth.
Explanation:
Soils are the stomach of the earth, consuming, digesting, and cycling nutrients and organisms.
Answer:
Convection currents are the result of differential heating. Lighter (less dense), warm material rises while heavier (more dense) cool material sinks.
Answer: family and order; because members of lower taxon resembles more than that of higher taxon.
Pretty sure it is D. Which makes it easier to study a group of species and find out what makes them flourish in that environment.