Exit Ticket: Seed Structure

What is the function of the seed coat in a seed?

• The seed coat protects the seed and helps it remain dormant or inactive until conditions are perfect for germination.

• The seed coat provides nutrients to the seed during germination.

• The seed coat helps the seed to photosynthesize.

• The seed coat is responsible for attracting pollinators to the seed.

What does 'dormant' mean in relation to seeds?

• Dormant means having normal physical functions suspended or slowed down for a period of time.

• Dormant means seeds are always actively growing.

• Dormant means seeds are dead and cannot sprout.

• Dormant means seeds are immediately ready to germinate.

What is the embryo in a seed?

• The embryo is the very beginnings of roots, the radicle, the first stem, and the first leaves.

• The embryo is the outer protective layer of the seed.

• The embryo is the food storage part of the seed.

• The embryo is the part that attaches the seed to the fruit.

List Farmer Aaron’s Seed Planting Steps in order.

• 1. Good soil 2. Make a hole 3. Drop in seeds 4. Cover 5. Water

• 1. Water 2. Drop in seeds 3. Make a hole 4. Good soil 5. Cover

• 1. Make a hole 2. Good soil 3. Water 4. Drop in seeds 5. Cover

• 1. Drop in seeds 2. Cover 3. Good soil 4. Water 5. Make a hole

What percentage of seeds does Farmer Aaron say he gets to sprout?

• About 60% or a little more.

• About 20% or less.

• Nearly 100%.

• Around 40%.

What must happen for a seed to germinate?

• Environmental conditions must trigger the seed to grow or germinate.

• The seed must be exposed to direct sunlight only.

• The seed must be planted in sand.

• The seed must be frozen before planting.

Tags

NGSS.MS-LS1-5

What is the process called when water is absorbed by the seed and causes the cells to swell?

• Imbibition.

• Photosynthesis.

• Transpiration.

• Respiration.

Tags

NGSS.MS-LS2-1

What is geotropism in seeds?

• Geotropism is when roots turn in response to gravity’s pull as they grow, so they always head further into the ground.

• Geotropism is when seeds grow only in the presence of sunlight.

• Geotropism is when leaves turn towards the wind direction.

• Geotropism is when flowers bloom only at night.

What does the seed send towards the surface after germination?

• A shoot.

• A root.

• A leaf.

• A flower.

What do the first leaves of a seedling help the plant do?

• Harvest energy from the sun.

• Absorb water from the soil.

• Anchor the plant in the ground.

• Protect the seed from insects.

Tags

NGSS.MS-LS1-6