How do groups of organs assemble and work together to make an organism?

A. they form other organs

B. they form group of cells

C. They form organ systems

D. They form an ecosystem

What system hosts more biodiversity than any other ecosystem in the oceans?

Why do organisms that reproduce asexually reproduce in less time than those that reproduce sexually?

Why are DNA molecules with a high percentage of guanine (G) and cytosine (C) more stable than DNA molecules high in adenine (A) and thymine (T) ?

If a cell has cell walls and membrane-bound organelles it is what kind of cell

What is the main role of a hormone?

Two factors which cause global climate change are listed below. Factor 1: Habitat loss Factor 2: Earth's axial tilt Which of these statements is correct about the two factors which cause global climate change?

What might happen to a plant that has a genetic mutation that results in shorter roots

Does a window air conditioner pull air from outside

Which of these properties of a star best determines its life cycle? density temperature brightness mass

How many codons are needed for one amino acid?