Science Class: Vocabulary #6 (Plants)

Definitions:

1) Chlorophyll: chemical that gives plants their green color and traps light energy.
2) Photosyntesis: process in wich plants use water, carbon dioxide, and energy from the sun to make food.
3) Vascular plant: plant that has tubelike cells in their roots, stems and leaves to carry food and water.
4) Nonvascular plant: plants that don't have tubelike cells in their stem and leaves.
5) Moss: small, nonvascular plant that has both stem and leaves but no roots.
6) Sexual reproduction: the forming of a new organism by the union of two reproductive cells.
7) Egg: female reproductive cell.
8) Sperm: male reproductive cell.
9) Fertilization: join of egg and sperm.
10) Xylem: cell that carries water and disolved minerals from the roots to the leaves.
11) Phloem: cell that carries food that is made in the leaves to all parts of the plant.
12) Fern: is a vascular plant that reproduces with spores.
13) Seed: part of the plant that contains a new, young plant and stored food.
14) Embryo:an organism in the earliest stage of grouth.
15) Conifer: plant that produces seed in cones.
16) Pollen: tiny grains of seed plants in wich sperm develops.
17) Flowering plant: vascular plant that produces seeds inside a flower.
18) Flower: reproductive part of the plant.

Illustrations:

1) Chlorophyll