What happens when a seed begins to germinate?

• It begins to grow.

• It picks up germs from an insect.

• It spreads pollen.

• It loses it leaves.

Tags

NGSS.3-LS1-1

NGSS.4-LS1-1

Which structure is present in a mature plant but missing in a seedling?

• leaf

• flower

• root

• stem

Brandon returns home after playing in a nearby park. When Brandon removes his sock, he sees some spiny seeds hooked to his socks. How does this adaptation help the seed?

• it helps the seed float in the air.

• It helps the seed protect itself from drying.

• It helps the seed protect itself from animals.

• it helps the seed spread to distant places.

The maple seed is very light and has two paper-like wings. Why do red maple trees have this type of seed structure?

• to be eaten by birds easily

• to get attached to the fur of animals easily

• to get dispersed by wind to different locations easily

• to be carried by rain to new locations easily

How do roots help a plant?

• by producing pollen for bees

• by using the Sun's energy to make food

• by absorbing water and nutrients from the soil

• by absorbing oxygen from surrounding air

Tags

NGSS.MS-LS2-3

A student places a trimmed celery stalk in a glass containing blue water. After two days, the student observes that the leaves turn blue. What can be concluded based on the activity?

• The leaves carry water to the stalk.

• The stalk carries water to the leaves.

• The leaves release blue color when the stalk is cut.

• The stalk releases blue color when it is cut.

Tags

NGSS.MS-LS1-2

NGSS.MS-LS2-3

Which part of the plant is responsible for providing support to the leaves?

• thorn

• flower

• root

• stem

What conditions are necessary for seed germination?

• proper rainfall and warm temperatures

• long cold nights and days

• cold temperatures and a drought

• lots of rain then a drought

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

White Bursage is a desert plant that grows from seeds. The roots of this plant grow 5 to 15 times faster than the

stem _______________________.

• to help the plant stay upright

• to absorb water from the soil

• to prevent other plants from growing nearby

• to ensure that the plant is not blown away by the wind

Tags

NGSS.MS-LS1-5

Which sequence correctly shows the stages in a plant's life cycle?

• young plant ----- seed ----- adult plant

• seed -----adult plant ----- young plant

• seed------ young plant ------- adult plant

• adult plant ----- young plant ------ seed

Tags

NGSS.3-LS1-1