Plant Reproduction, Response, and Transport

Plants are autotrophs because they get their energy from

• Photosynthesis
• Other plants
• Respiration
• Carbohydrates

Photosynthesis enables plants to produce most of the organic molecules they need. This process requires the use of all of the following except

• carbon dioxide
• light
• water
• glucose

The xylem in a plant

• transports sugars
• transports water and minerals
• exchanges carbon dioxide and oxygen with the atmosphere
• None of the above

Moves water UP

• Xylem
• Phloem

___ opens and closes the stomata.

• Guard cells
• Xylem
• Roots
• Phloem

Opening that allows gas exchange

• Stomata
• Leaves
• Roots
• Vascular tissue

Tags

NGSS.MS-LS1-6

Which structure of the plant absorbs water and nutrients from the soil?

• stem
• leaves
• roots
• flowers

Tags

NGSS.MS-LS2-1

What is the main function of leaves?

•  Leaves provide support for growth and a place to store food.
•  Leaves provide a place for photosynthesis to occur.
•  Leaves absorb water and minerals and transport nutrients to the stem.
•  Leaves create a barrier that prevents water in the plant's tissues from evaporating.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Growth of a plant in response to an external stimulus, such as light

• hormone
• tropism
• phototropism
• stimulus

anything that causes a reaction or change in an organism

• hormone
• carbon dioxide
• stimulus
• chlorophyl

Tags

NGSS.MS-LS2-1