what is the function of xylem tissue?

• transports water and minerals salt 
• control the opening and closing of stoma
• carry out photosynthesis
• provide support for young plant

Which of the following structures allows for gas exchange between a leaf and the atmosphere?

• Cuticle
• Phloem
• Stomata
• Xylem

What are the levels of organization in plants?

• Plants have cells, but not tissues.

• Plants are made up of cells, tissues, organs, and organ systems

• Plants contain cells and tissues, but not organs.

_____________________ is a vascular tissue that carries sugars and other foods throughout a plant.

• stems

• phloem

• roots

• xylem

Where does the process of photosynthesis occur?

• in the root

• in the stem

• in the leaf

• in the organ

What are the 3 organs of a plant?

• veins, root hairs and xylem

• stoma, stomata and root hairs

• roots, glucose and leaves

• roots, stem and leaves

What are the xylem and the phloem of a plant are examples of?

• organs

• tissues

• cells

• molecules

This vessel carries dissolved sugars from the leaves to all other parts of the plant.

• Meristem

• Xylem

• Cambium

• Phloem

This vessel makes up part of the vascular tissue of a plant. It carries water and dissolved ions from the roots to the stems and leaves.

• Meristem

• Xylem

• Cambium

• Phloem

Within the epidermis, thousands of pairs of bean-shaped cells swell and shrink to open and close _______, which are tiny pores that control the exchange of oxygen and carbon dioxide gases and the release of water vapor.

• stomata

• stamen

• stigma

• style