Reviewing Unit 2 - Trees

Roots are necessary to

• absorb water and nutrients from the soil

• help insects climb up the trees

Leaves are necessary for _____________ to take place.

• the weather

• flowers

• photosynthesis

You can tell how old a tree is by how many rings/layers it has inside its trunk.

• True
• False

What does the OUTER BARK do for a tree?

• protects the tree from insects and disease

• transports minerals and water

• does photosynthesis to produce energy for the tree

When looking at a cross section of the trunk, you can see holes where the xylem and phloem have grown.

• True

• False

Which organelle is responsible making food (Glucose) using sunlight?

• Cell Membrane

• Nucleus

• Chloroplast

• Mitochondria

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Select all that are products of Photosynthesis.

• Water

• Carbon Dioxide

• Oxygen

• Sunlight (Light Energy)

• Glucose (Sugar/food)

Tags

NGSS.MS-LS1-6

How does most of the water needed by the plant get into its leaves?

• It enters through the stomata

• The roots absorb it and then it travels up the stem

• It's made during a chemical reaction in the leaf

• The flowers capture water and deliver it to the leaves

Tags

NGSS.MS-ESS2-4

How does carbon dioxide get into the leaves of a plant?

• It's absorbed by the roots
• It's made in a chemical reaction in the stem
• It enters through the stomata
• It goes through the flowers

Tags

NGSS.MS-LS1-6

Which of these conditions would decrease the rate of photosynthesis in a plant?

• Above average precipitation
• Changing the daylight hours from 14 hrs to 10 hrs
• Changing the CO₂ concentration from 380 ppm to 410 ppm
• All of these choices

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6