why are current radiation and chemotherapy treatments not always effective in preventing the reoccurrence of cancer?

Besides predators, there are other living organisms in an ecosystem that interact with a population that can cause natural selection to occur.

In communities that have cycling populations of predator and prey, there is a lag time between the prey population increase and the predator population increase. why?

What terms describes the dna-protein complexes that look like beads on a string?

How has human activity increased chemical weathering?

Which famous scientist is credited as the founder of the scientific method? Aristotle John Dalton Sir Francis Bacon Sir Isaac Newton

Bones, joints, ligaments, and cartilage are parts of the a) refrigerator b) muscles c) skeleton

Chloroplasts cannot move on their own. How do they move around the cell?

What causes leaves to dry out

And increase in food and a decrease in predators would most likely

Which would provide the body with the most energy? a. Carrying oxygen from the lungs to the cells b. Breaking the bonds in a disaccharide c. Breaking a single carbon bond d. Creating bonds to make a simple sugar