The main function of the human digestive system is to * a. Rid the body of cellular waste materials
b. Process organic molecules so they can enter cells
c. Break down glucose in order to release energy
d. Change amino acids into proteins and carbohydrates

Describe two recent or ongoing space missions.

Sort the examples by the type of diversity that they exhibit a park has 80 species of trees red, yellow, and orange bell peppers are all members of the same species individuals of the same lizard species have different mating strategies. five different bird species are at a bird feeder. genetic diversity species diversity

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm