Which of the following mechanisms is NOT used to propel lymph through lymphatic vessels? A. gravity B. small heart-like pumps C. the milking action of muscles D. pulmonary motion

A dog breeder decides that he wants to make his chihuahuas smaller. He calls another breeder and borrows their smallest female chihuahua to breed with his smallest male chihuahua. This is an example of A. natural selection. B. selective breeding. C.

The interactions of earthworms and Robbins in a beach forest make up which ecological unit

Which statements describe divergent boundaries? Check all that apply. Divergent boundaries form mid-ocean ridges. Divergent boundaries are found on land or undersea. Divergent boundaries form volcanoes.

Why is the beaker kept out of sunlight when water is is it?

Where do the light-independent reactions of photosynthesis take place? Stroma of chloroplast Grana of chloroplast Membrane of chloroplast

A mixture that is so evenly mixed, it is hard to distinguish its parts visibly

How is anaphase 2 similar to anaphase in mitosis?

Which is a likely location for primary succession?

How many dna fragments left when you use two restriction enzymes?

Matter and energy in the web of life