Which of the following animals has a single-loop closed circulatory system:

a. fish

b. frog

c. human

d. crocodile

What internal regulators do

What is a vacuole? A. the structure that plants use to convert sunlight into chemical energy B. an organelle that releases chemical energy in the cell C. a membrane sac that transports or stores materials in the cell D.

Homologous structures A. always have the same function. B. are found in organisms of the same species. C. always have a different function. D. are found in organisms of different species.

Most governments in Africa are A anarchies B. unstable C. democracies D. monarchies

Are generations of children over time learning to read and write considered evolution?

How is cell divison controlled?

Which hormone is produced by the pituitary gland hesi?

What is the primary function of hormones?

What structure holds the sister chromatids together?

A male client is diagnosed with severe neutropenia and is prescribed filgrastim. What is the desired effect?