Matter and Energy in Organisms Quiz Review

What element makes up 65% of the human body?

• hydrogen

• carbon

• oxygen

• nitrogen

Something living or non-living that has mass and takes up space is considered to be this

• weird

• matter

• volume

• producer

This is made by two or more atoms held together by chemical bonds.

• molecule

• atom

• omnivore

• energy

What form of energy is stored in food?

• heat

• light energy

• energy of motion

• energy in molecules

How do consumers get energy?

• From the sun

• From hydrothermal vents

• From eating other organisms

• They make their own food

What is necessary for plants to perform photosynthesis?

• carbon, water, air

• sunlight, water, carbon dioxide

• sunlight, water, oxygen

• water, carbon dioxide, oxygen

An organism that uses matter and energy from the environment to make their own food.

• consumer

• producer

• decomposer

• omnivore

Primary (first) consumers are almost always what type of organism?

• carnivore

• decomposer

• herbivore

• omnivore

Decomposition is an important process because

• dead organic matter is broken down and important matter is returned to the environment which can be used again by other organisms

• organisms use energy from the sun and matter from the environment to create their own food which supplies energy to the rest of the ecosystem

• organisms use energy and matter from hydrothermal vents at the bottom of the ocean to create their own food which supplies energy to the rest of the ecosystem

• it creates energy and matter for the environment that weren't already there

All matter is made of

• seeds

• cells

• organs

• atoms