Chu kỳ sống của thực vật

Pollination is _________.

• what happens when a plant doesn't get enough water

• when a seed begins growing

• the spreading of pollen from flower to flower

• when the leaves of a plant absorb light from the sun

Seeds need ______ and _______ to germinate.

• light and water

• water and warmth

• warmth and light

• air and light

A seed does this when it starts growing.

• germinates

• pollination

• evaporates

• photosynthesis

During the seedling stage when the first roots and stems appear, the plant starts to grow towards ________.

• the moon

• the ocean

• water

• light

In which stage of the life cycle can a plant reproduce using flowers or cones?

• seed

• seedling/sprout

• mature/adult plant

Which part of the seed does letter A represent?

• embryo

• seed coat

• cotyledon

Which part of the seed does letter B represent?

• embryo

• seed coat

• cotyledon

Which part of the seed does letter C represent?

• embryo

• seed coat

• cotyledon

What is the function of the embryo of a seed?

• to protect the seed

• to store food for the seed

• the baby plant that will develop into root, leaves, and stems

What is the function of the cotyledon of a seed?

• to protect the seed

• to store food for the seed

• the baby plant that will develop into roots, leaves, and stems