BIO.1A REVIEW

True or false: All living things have cells.

• True

• False

Answer explanation

All Living things are made of CELLS.

CELLS are the smallest unit of life.

True or false: Growth and Development are characteristics of life.

• True

• False

Answer explanation

All living things grow and develop.

Growth is when a living thing increases in size.

Development is a series of changes that happen to a living thing during its lifetime (kind of like parts of a life cycle).

Living things need and use ​​ _____________. Living things either make their own, food, eat other things, or break down dead material to get __________.

• Carbon Dioxide

• DNA

• Energy

• Water

Answer explanation

All living things need energy. Living things get energy from their food. Some living things make their own food (like plants), some eat other things (like animals), and some break down other living things (like fungi or some bacteria).

Autotrophs are living things that make their own food.

Heterotrophs get their food from other living things.

Check the correct answers:

• All living things can move.

• All living things have cells.

• All living things eat other living things.

• All living things need energy.

Answer explanation

Not all living things move.

Not all living things eat other living things, some make their own food.

All living organisms are made up of ____.

• Cells
• Bacteria
• Organs
• Tissue

Match the following examples of how a plant is a living thing to the characteristic.

• Living things are made of cells.

• A plant sprouts and increases in height.

• Living things respond to stimuli.

• A plant makes fruits which have seeds to make other plants.

• Living things produce offspring (reproduce).

• A plant grows towards sunlight.

• Living things need and use energy.

• 
• Living things grow and develop.

• Plants make their own food through photosynthesis.

Plastic.... can break into smaller pieces, but cannot grow. It does not need energy. It is not made of cells. It is

• Living

• Non-Living

• Dead

Bacteria do not have hearts. Many reproduce by creating clones of themselves (asexual reproduction). They break down other living things for energy.

They are....

• Living

• Non-Living

• Dead

Any living thing is called a _____________.

• organism

• cell

• matter

• atom

Which of these COULD be used as a valid piece of evidence to support that a virus is a LIVING thing?

• it can multiply or reproduce inside of a host

• it can move by the wind

• it is not made of cells

• it can make a human sick