plants as systems

What part of a plant’s leaves allows the plant to take in carbon dioxide and release oxygen?

• stem

• cuticle

• stomata

• chloroplasts

Plants contain xylem and phloem tissue. What organ system in animals performs a similar function as the xylem and phloem of plants?

• digestive

• excretory

• respiratory

• circulatory

A plant leaf is an organ. In what way is a human lung similar to a plant leaf?

• Both organs make chemical energy.

• Both organs are made up of only one kind of cell.

• Both organs are made up of protective dermal tissue.

• Both organs exchange oxygen and carbon dioxide.

the plant parts in the image make up which level of organization?

• cell

• tissue

• organ system

• organism