Why are diatoms important to the ecosystem beyond being food?

What is the nucleus and what important information is contained within it?

What is the correct order of development from first

Which of the following is NOT a major component of soil? a . mineral matter c . humus b . air d . earthworms

In an analogy between a factory and a cell: If DNA is the superintendent and mRNA is the order to the assembly line (ribosomes), what might be the role of tRNA?

When are to animals classified as belonging to the same species?

A 70-year-old resident of a long-term care facility has experienced increasing pain, swelling, and redness to her lower leg over the past 12 hours, prompting the care providers at the facility to have the woman brought to the local emergency

Which factors influence the rock cycle and rock changes? A. sunlight, wind speed, air pressure, climate B. temperature, pressure, weathering, erosion C. erosion, runoff, water pollution D. temperature, precipitation, air pollution

Which statement describes how pioneer species and climax communities are different? A) Pioneer species tend to have large body sizes, and climax communities contain species with only small body sizes.

What is the job of the kidneys

What is mulch and give two materials that can be used as mulch