BIO 112 Notes: Gymnosperms, Angiosperms, Monocots, and Dicots

Vascular bundles

________ are scattered throughout monocot leaves, but they are arranged in a ring within dicots.

Cycads

________ and ginkgo trees have motile sperm, which can swim to the egg in the ovule.

What are gingko trees known as?

living fossils

Angiosperms

spermatophytes known as "flowering plants”

Why do gymnosperms have naked seeds?

because their seeds don’t exist within chambers such as fruits or nuts.

Monocots

1 cotyledon, parallel veins, scattered vascular bundles, petals in multiples of 3, fibrous roots, herbaceous, no woody stem.

How many cotyledons do monocots have?

1

cotyledons

Dicots: 2 ________, branched veins, vascular bundles in a ring, petals in multiples of 4 or 5, taproot system, woody stems.

Fertilization

________ by wind allowed gymnosperms a whole new advantage that changed the future of plants.

Monocots

________ always have petals in multiples of three, while dicots have multiples of four or five.

Gymnosperms

have naked seeds

Angiosperms

have fruits that come in a variety of shapes.

Monocots

________ only have one cotyledon, while dicots have two.

Monocots

1 cotyledon, parallel veins, scattered vascular bundles, petals in multiples of 3, fibrous roots, herbaceous, no woody stem

Which kind of petals do monocots have?

in multiples of 3

What kind of roots do monocots have?

fibrous roots

What kind of vascular bundles do monocots have?

scattered

Dicots

2 cotyledons, branched veins, vascular bundles in a ring, petals in multiples of 4 or 5, taproot system, woody stems

What kind of petals do dicots have?

in multiples of 4 or 5

What kind of vascular bundles do dicots have?

in a ring