Unit 3 - Lesson 1

Question 1

How many groups of plants?

Answer 1

2 groups of plants

—vascular plants

—nonvascular plants

Question 2

Nonvascular plants

Answer 2

—the simplest type of plant
—grow close to the ground and soak up water and minerals like a sponge
—don’t have stems or leaves

Example: moss

Question 3

Vascular plants

Answer 3

—most plants that you see every day including all flowering plants

—have roots, stems and leaves

—have a system of tubes that carry water and nutrients

Question 4

Roots

Answer 4

-usually underground

—absorb water and minerals from the soil
—anchor the plant in the soil

— 2 types of roots. Taproots and fibrous roots

Question 5

Taproots

Answer 5

Thick strong roots that grow deep in the soil

Example: carrots, beets

Question 6

Fibrous Roots

Answer 6

Thin branching roots that grow close to the surface

Example: grasses and most trees

Question 7

Stems

Answer 7

Structures that have tubes to carry water, sugar and minerals to different parts of the plant

Examples: trunk, soft green stems, woody stems

Question 8

Leaves

Answer 8

The part of the plant that produces food for the plant

—different shapes (round, heart-shaped, triangular shaped, needle-shaped)

—different textures ( tiny hairs, smooth, waxy, dull, shiny)

Question 9

Some leaves have veins - small tubes

Answer 9

Veins - carry food made by the leaves to the plant’s flowers, stems, and roots

Veins - also carry water and minerals through the leaves

Question 10

Photosynthesis

Answer 10

—how plants make their food

—takes place in the leaves

—Sunlight + carbon dioxide + water = sugar + oxygen

Question 11

Chlorophyll

Answer 11

—a substance in the leaves that makes leaves appear green in color

— helps plants make sugars

—captures energy from the sun during the day