Decomposers are necessary in a food chain

because they

(1) manufacture food by photosynthesis

(2) return nutrients to the ecosystem

(3) absorb energy from the Sun

(4) produce organic nutrients

The strongest naturally occuring substance readily availible on earth is ... Platinum Gold Diamond Quartz

Match the specialized structures found on neurons to their function. carries information away from the cell body insulates the axon so that nerve impulses can be transmitted quickly contains the control center and powerhouse of the cel receives

Explain why large animals need specialised transport system while uncellular organism do not?

As you know, the oceans cover most of the earth, and contain a huge amount of resources. Fish are one of these resources.

What period did cephalopods become extinct

Which properties of water plays an important role in the movement of water from the roots to the leaves in plants?

Which area of the brain must gain control to overcome a panic response? a. the amygdala b. the frontal lobe c. the locus coeruleus d. the cerebellum?

The correct sequence going from smallest to largest is Select one: a. cell - molecule - tissue - organelle - atom. b. atom - molecule - organelle - cell - tissue. c. molecule - atom - organelle - tissue - cell. d.

What Three things should you check when deciding the reliability of science articles?

How does sediment form? A weathering breaks down rocks and other material. B chemical changes cause sediment to cement together. C loose material is compacted by pressure. D molten rock cools below the earth surface