Unit 4b: Vocabulary

The outer structures of a flower that protects the delicate petals.

• Sepals

• Stigma

• Pistil

• Stamen

The female tube-like structure that holds the ovary and the eggs.

• Stamen

• Stigma

• Pistil

• Petals

The sticky part of a flower in which pollen adheres to. It is at the top of the pistil.

• Stamen

• Stigma

• Petal

• Sepal

The male structure of a flower that contain pollen.

• Stigma

• Pistil

• Stamen

• Sepals

This structure is at the top of the stamen and specifically contains the pollen.

• Anther

• Stamen

• Sigma

• Pistil

The reproductive organ of flowering plants:

• Flower

• Petals

• Sepals

• Stems

Tags

NGSS.MS-LS4-2

This is located inside the pistil (specifically the ovary) and will grow into a seed:

• Sperm

• Egg

• Stigma

• Embryo

Structure that is considered the tiny plant, ready to grow:

• Cotyledon

• Embryo

• Egg

• Seed

The tough almost airtight covering that protects the seed:

• Cotyledon

• Germination

• Embryo

• Seed Coat

A starchy substance that provides energy & nutrients for the embryo to sprout.

• Fertilization

• Seed Coat

• Cotyledon

• Embryo