Flowering Plants & Seeds

Match the following

• The largest part of the seed & supplies nourishment for the sprouting plant.

• Radicle

• Seeds that have 2 cotyledons

• Cotyledon

• The part that grows into the stem and leaves of the plant.

• Dicots

• Seeds that have just one cotyledon

• Monocots

• Develops into the roots.

• Plumule

​ ​ (a)   germination is where the cotyledons stay underground as the plant emerges. ​ (b)   is where the cotyledons come up out of the ground and may appear to be leaves.

• Hypogeal
• Epigeal

What is the terminology for when seeds begin to grow?

• Scarification

• Germination

• Stratification

Match the following

• Seeds must be scarified & stratified before they will germinate.

• Scarification

• The inner tissues of the seed do not respond until certain additional conditions have been met,

• Internal or embryo dormancy

• Breaking of a seed coat.

• Stratification

• Experience an extended period of cold temps or a period of warm moist temps followed by cold temps

• External or seed coat dormancy

• The seed coat prevents the oxygen and water from reaching the seed, thus preventing germination.

• Double Dormancy

Describe angiosperms

Describe gymnosperms

Describe deciduous trees

Describe evergreen trees

Match the following

• The way a tree grows, or the shape its branches form.

• Growth habit

• Branches grow up and out from the trunk and form this part of the tree.

• Bark

• Help protect the tree throughout its long life.

• Crown

Tags

NGSS.MS-LS1-5