Define and give an example of homeostasis

Dna is colied into chromosomes in a cell

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.