Which of these is not an example of a plant organ?

• Root

• Xylem

• Leaf

• Stem

Which key term describes a group of organs working together?

• Cell

• Tissue

• Organ

• Organ System

What is the spongy mesophyll layer an example of?

• Cell

• Tissue

• Organ

• Organ System

A ______ is a group of similar cells working together.

An organ is a group of different _______ working together.

Label the main plant organs.

What is the definition of the term cell in biology?

• The basic building block of all organisms.

• Made up of tissues working together.

• Chemicals released to communicate with other parts of the body.

• Provide the support and protection for the body.

Palisade mesophyll cells contain many chloroplasts for photosynthesis because the chloroplasts contain large amounts of ___________.

Root hair cells require very large surface area to...

• Absorb nutrients and water.

• Absorb nutrients and minerals.

• Absorb water and minerals.

Where does gas exchange occur in the leaf?

• Upper epidermis

• Palisade mesophyll

• Spongy mesophyll

• Xylem