Hat is the function of the immune system? to move and support the body
to protect the body from pathogens
to break down food and absorb nutrients
to filter the blood

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

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

Ecology can best be described as the study of what