Seeds vs Spores

A seed is an embryo of a plant encased in a protectivecovering and surrounded by a food supply.

A spore is a haploid reproductive cell.

Seeds

•Includes flowersAnd gymnosperms

•Do not need water

• Can live anywhere

•Protected by a seed coat

• Provides a food sourcefor the embryo.

• Can disperse in different ways.

Spores

•Includes mosses and ferns.

• Need water for reproduction.•Must live near water

•No protection from harsh conditions.

•New plant must make its own food.

• Must grow where it lands.

How can seeds be dispersed?

Animals – ingestingand excreting the seeds.

Animals carrying the seeds.

Wind

Water

Seed plants are organized into 2 categories:

•Cone-bearing plants(Gymnosperms)

•Flowering plants(Angiosperms)

•Seeds are found on the surface of the cones,not included in a fruit

•Seeds are enclosed in some type of a fruit

•Seed bearing structuresare woody cones.

• Seed bearing structuresare fruit

•Seed plants do not need water to reproduce,the transfer of sperm is by pollen. Embryos are protected in the seeds.

Plumule

Seed coat or testa

Cotelydon containingthe endosperm

Radicle

Micropyle

Embryonic stemEmbryonic root

Hilum

Only in plantswith fruit