Primary consumers are organisms that directly feed on producers.

List the organisms that would be classified as primary consumers:

Which is more useful when identifying a mineral: the mineral's color or the mineral's streak?

Which of the following is NOT a reason why viruses violate the conditions for life (in other words, which of the following is not an explanation for why viruses are not alive) ? A. Viruses do not contain RNA or DNA. B.

What is the main function of the B lymphocyte? A. maintain fluid balance B. produce antibodies when triggered by antigens C. produce T lymphocytes D. transport fat through the lymphatic system

Can you grow a cherry tree from a cherry branch?

Two types of genes play major roles in regulating the cell cycle: Proto-oncogenes encourage cell division, while tumor-suppressor genes inhibit cell division.

Cytoplasm is? A. the material that makes up the nucleus B. the organelle responsible for DNA replication C. another name for water D. the jelly-like substance that fills the cell

What is the body's first line of defense?

Which feature of the ocean floor includes its deepest parts? trench estuary mid-ocean ridge continental slope

What is the relationship between increased lymphocyte infiltration, edema, and inflammation in the progression of pathophysiology in Kawasaki disease?

What term describes an early kind of biologist who made and recorded observations about organisms in nature?