Chapter 2 - Exploring The Plant World

Question 1

What protects the young plant inside the seed from drying out or from being easily crushed.

Answer 1

Seed coat

Question 2

What 4 things do seeds need to grow?

Answer 2

Water, soil, air, the right temperature

Question 3

Upon what do all living things depend?

Answer 3

plants

Question 4

What are the three main parts of seeds?

Answer 4

seed coat, young plant, stored food

Question 5

What is the seed coat?

Answer 5

the hard outer covering of a seed

Question 6

What happens to the seed coat when the seed begins to sprout?

Answer 6

it dies

Question 7

Name two ways that you depend on plants to live.

Answer 7

give us food, help us breathe air

Question 8

All flowering plants have these

Answer 8

seeds

Question 9

the act of moving pollen from one part of a flower to another, or from one flower to another, so that the flower can make seeds.

Answer 9

pollination

Question 10

the yellow powder or dust formed by a flower

Answer 10

pollen

Question 11

What is a leaf’s job?

Answer 11

to make for the plant

Question 12

What is the green material in plants called?

Answer 12

chlorophyll

Question 13

What gas does plants take from the air?

Answer 13

carbon dioxide

Question 14

What simplesugar is formed in plants?

Answer 14

glucose

Question 15

What is the process that allows a plant to make it’s own food called?

Answer 15

photosynthesis

Question 16

What four things are needed to complete the process of photosynthesis?

Answer 16

sunlight, carbon dioxide, water, chlorophyll

Question 17

What is the flower’s job?

Answer 17

make seeds

Question 18

What is the stem’s job?

Answer 18

carry food

Question 19

What is the root’s job?

Answer 19

take minerals and water from the soil

Question 20

Where does carbon dioxide come from?

Answer 20

animals and people give off carbon dioxide when they breathe

Question 21

What is chlorophyll?

Answer 21

the green material in plants

Question 22

What are the root’s “mouth”?

Answer 22

tiny root hairs

Question 23

What other jobs do the roots do?

Answer 23

Hold the soil in place

Question 24

What is a single cell produced in some plants which can grow into a new plant?

Answer 24

spore

Question 25

What is a spore?

Answer 25

a single cell produced in some plants which can grow into a new plant

Question 26

Where are spores found?

Answer 26

Inside spore cases

Question 27

Does a spore contain food like a seed?

Answer 27

no

Question 28

What is necessary before a spore can grow into a new plant?

Answer 28

moist shady place where it can get food and air

Question 29

How is mold harmful?

Answer 29

It grows on food you eat and spoils it

Question 30

How is mold helpful?

Answer 30

yeast spores make bread rise pencillin, a medicine that has saved the lives of many people, is made from a special green mold mushrooms rot dead trees and animals and return their minerals to the soil to help plants grow

Question 31

Name some plants which grow from spores

Answer 31

mushrooms, ferns, mosses