Fruits, Flowers, and Seeds

Fruit Classification Aggregate Aggregate Develop from a single flower with many ovaries Develop from a single flower with many ovaries Example: Strawberries and Tulips Example: Strawberries and Tulips

Fruit Classification Multiple Multiple Fruit develops from a group of tightly clustered flowers. Fruit develops from a group of tightly clustered flowers. Examples: Pineapples and Figs Examples: Pineapples and Figs

Fruit Classification Simple Simple Develops from a single ovary Develops from a single ovary Examples: Cherries and Tomatoes Examples: Cherries and Tomatoes

Function of Fruits Site of seed production

Flower Parts Pistil Pistil Female part of the flower Female part of the flower Contains: Contains: Stigma Stigma Style Style Ovary Ovary

Stigma Is at the top. Is at the top. Is often sticky and is where the pollen attaches. Is often sticky and is where the pollen attaches.

Style The long tube that attaches the stigma to the ovary. The long tube that attaches the stigma to the ovary. Sperm from the pollen will travel down this tube to the ovules. Sperm from the pollen will travel down this tube to the ovules.

Ovary Stores the eggs until they are fertilized. Stores the eggs until they are fertilized.

Flower Parts Stamen Stamen Male reproductive organ Male reproductive organ Consists of: Consists of: Anther Anther Filament Filament

Anther Produces the pollen. Produces the pollen.

Filament Supports the anther. Supports the anther.

Flower Parts Petals Petals Highly colored part of the flower, may contain perfume and/or nectar glands to attract insects or animals. Highly colored part of the flower, may contain perfume and/or nectar glands to attract insects or animals. Sepals Sepals Small green structures on the base of the flower that protect the flower bud. Small green structures on the base of the flower that protect the flower bud.

Flower Classification Complete flower Complete flower Has all male and female reproductive parts Has all male and female reproductive parts Incomplete flower Incomplete flower Missing one of the male or female reproductive parts. Missing one of the male or female reproductive parts. Perfect Flower Perfect Flower Has stamen and pistils Has stamen and pistils Imperfect Flower Imperfect Flower Missing either stamen or pistils Missing either stamen or pistils

Flower Function Sexual reproduction is the flower’s sole function. Sexual reproduction is the flower’s sole function. Pollination by: Pollination by: Wind Wind Insects and birds Insects and birds

Parts of the Seed Embryo Embryo Growing part of seed Growing part of seed Endosperm Endosperm Tissue that provides nutrition for the developing seed Tissue that provides nutrition for the developing seed Cotyledon Cotyledon Food storage tissue Food storage tissue

Parts of the Seed Seed coat Seed coat Protective outer covering of the seed Protective outer covering of the seed Scutellum Scutellum Absorbs the endosperm Absorbs the endosperm

Monocots vs. Dicots Monocots Have one cotyledon. Have one cotyledon. Example: Grasses Example: GrassesDicots Have two cotyledons. Have two cotyledons. Example: Magnolia Example: Magnolia