Year_7

Front

_____________ encompass the set of vital activities that living organisms perform to maintain their existence, grow, reproduce, and respond to their environment.

Back

Life processes

Front

Anything that causes a living thing to react

Back

SENSITIVITY

Front

The process shown in the picture is called:

Back

Photosynthesis

Front

The process by which metabolic waste products and harmful substances are eliminated from the body is called:

Back

Excretion

Front

Energy is the ability to do work.

Back

True

Front

Humans and animals need ______ to live.

Back

energy

Front

The unit for measuring energy is the _____.

Back

joule

Front

1kJ=__________ J

Back

1000

Front

Energy cannot be created or destroyed; it can only change from one form to another. This statement is known as:

Back

Law of conservation of energy

Front

A ____ is a substance that contains a store of chemical or nuclear energy that can easily be transferred.

Back

fuel