Which two organ systems work together to provide a structural framework for movement?
A. skeletal and muscular
B. muscular and endocrine
C. integumentary and skeletal
D. endocrine and integumentary

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

What are some characteristics of a free enterprise economy?

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them