2.3 The Seeds grow up

2.3 The Seeds grow up. pg 41-42

by Andrea Chirinos

​A bud is born

​The early growth of a seed into a plant occurs through the process of germination.

​

​3 main things for germination:

1. ​moisture /humedad

2. ​favorable temperature / temperatura ideal

3. ​oxygen/oxígeno

​A sleepy one...

​Seeds have the ability to remain dormant for long periods of time until all conditions for growth are available.

​

​North America/Europe/Asia --- Temperate climate ---spring sprout

​

​

​Central America/South America/Africa ---Tropical climate--rainy season

Multiple Choice

Germinate means start to grow.

• true

• false

Multiple Choice

List three external conditions required for seed germination

• soil, water, air

• suitable temperature, water, sunlight

• oxygen, water, suitable temperature

Multiple Choice

After fertilization, the ovary develpos into a

• seed

• fruit

• embyro

• zygote

Multiple Choice

What word is used to describe a seed that is inactive?

• Sleeping

• Dormant

• Metabolism

• Radicle

Multiple Choice

Which condition is NOT needed for germination?

• Water

• Oxygen

• Light

• Suitable temperature

​Parts of the seed

​

Multiple Choice

What protects the seed?

• Embryo

• Food Storage

• Seed coat

Multiple Choice

What is the tiny plant in the seed?

• Embryo

• Food Storage

• Seed Coat

Multiple Choice

What provides food storage for the seed?

• Embryo

• cotyledon

• Seed Coat

Multiple Choice

Examine this seed. Would you expect it to produce a dicot or monocot plant?

• monocot
• dicot
• Corn
• WI Fast Plant

Multiple Choice

Examine this seed. Would you expect it to produce a dicot or monocot plant?

• monocot
• dicot
• Neither
• Cotyledon

​Germination

​1. The seed swells. Absorbing water.

​2. Embryo pushes the radicle(root) into the ground.

​3. Emergence of the plumule (shoot) above the ground.

​* Seedling: no dependence in cotyledon,

Multiple Choice

Which germination stage describes the picture?

• the seed swells

• the embryo pushes the embryo root.

• emergence of the plumule

Multiple Choice

Which germination stage describes the picture?

• The dry bean absorbs water to begin the process of germination.

• A white root tip called radicle appears.

• The plant develops its roots and true leaves appear.

Fill in the Blanks

What is a plant that no longer depends on cotyledon?