Grade 7 Reviewer 2

A pet goldfish needs fish food.

Which characteristic of life does this refer to?

• Living things need energy

• Living things are composed of one or more cells

• Living things respond to their environment

• Living things grow and reproduce

• Living things maintain a stable internal environment

Streptococcus, a round cell, is the bacteria that causes strep throat.

Which characteristic of life does this refer to?

• Living things need energy

• Living things are composed of one or more cells

• Living things respond to their environment

• Living things grow and reproduce

• Living things maintain a stable internal environment

Bees create their hive on existing structures such as trees.

Which characteristic of life does this refer to?

• Living things need energy

• Living things are composed of one or more cells

• Living things respond to their environment

• Living things grow and reproduce

• Living things maintain a stable internal environment

Cells in your body divide to create new cells.

Which characteristic of life does this refer to?

• Living things need energy

• Living things are composed of one or more cells

• Living things respond to their environment

• Living things grow and reproduce

• Living things maintain a stable internal environment

Tigers have cubs.

Which characteristic of life does this refer to?

• Living things need energy

• Living things are composed of one or more cells

• Living things respond to their environment

• Living things grow and reproduce

• Living things maintain a stable internal environment

Shivering when your cold generate heat to warm your body.

Which characteristic of life does this refer to?

• Living things need energy

• Living things are composed of one or more cells

• Living things respond to their environment

• Living things grow and reproduce

• Living things maintain a stable internal environment

Look at the image carefully.

Is the object living or non-living?

• Living

• Non-living

Look at the image carefully.

Is the object living or non-living?

• Living

• Non-living

Look at the image carefully.

Is the object living or non-living?

• Living

• Non-living

Pick the true statement about cellular organization:

• cells working together make tissues
• cells working together make organs
• tissues working together make organ systems
• organs working together make cells