All living things are made of one basic unit. What is the basic unit of life?

• cells

• organisms

• membranes

• kingdoms

____________________ are living things made of cells.

• cells

• organisms

• building blocks

• cell membrane

What are the two types of cells?

• plant cells and cytoplasms

• plant cells and organisms

• plant cells and animal cells

• animal cells and organisms

A single-cell with no membrane in the nucleus is a

• protists

• fungus

• plant

• moneran

Decomposers that absorb food from living and dead organisms are

• fungus

• protist

• moneran

• plants

An ______________ cell does not have chloroplasts and a cell wall.

• plant

• animal

What system of the body includes the stomach?

• Respiratory

• organs

• skin

• digestive

Cells work together to form ____________.

• Organs

• stomach

• tissues

____________________ are very tiny living things.

• organs

• cells

• microorganisms

Animals with a backbone are

• vertebrates

• invertebrates