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16 Cards in this Set

  • Front
  • Back

What are three factors needed for germination?

1. Temperature


2. Water


3. Oxygen

Why is oxygen needed for germination?

It is needed for respiration (to provide energy for growth and cellular processes)

Why is water needed for germination?

It is needed because it softens the testa, activates enzymes and converts starch inside seed into usable sugar.

Why is temperature needed for germination?

It is needed to activate enzymes which begin the growth process.

Cotyledon

Testa (seed coat)

Plumule

Radicle

Micropyle

What is the function of the Testa?

To protect the seed

What is the function of a Cotyledon?

To provide food for the first leaves to grow. (proteins, fats, and starches). Plants with one cotyledon are called Monocotyledons, plants with two are called Dicotyledons.

What is the function of the Plumule?

It is the first shoot.

What is the function of the Radicle?

It is the first root.

What is the function of a Micropyle?

It is a small hole that lets water into the seed.

Which is a monocotyledon?

Which is a monocotyledon?

A

Which is a dicotyledon?

Which is a dicotyledon?

B