Chapter 2 - Exploring The Plant World Flashcards Preview

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Flashcards in Chapter 2 - Exploring The Plant World Deck (31)
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1

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

Seed coat

2

What 4 things do seeds need to grow?

Water, soil, air, the right temperature

3

Upon what do all living things depend?

plants

4

What are the three main parts of seeds?

seed coat, young plant, stored food

5

What is the seed coat?

the hard outer covering of a seed

6

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

it dies

7

Name two ways that you depend on plants to live.

give us food, help us breathe air

8

All flowering plants have these

seeds

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.

pollination

10

the yellow powder or dust formed by a flower

pollen

11

What is a leaf's job?

to make for the plant

12

What is the green material in plants called?

chlorophyll

13

What gas does plants take from the air?

carbon dioxide

14

What simplesugar is formed in plants?

glucose

15

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

photosynthesis

16

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

sunlight, carbon dioxide, water, chlorophyll

17

What is the flower's job?

make seeds

18

What is the stem's job?

carry food

19

What is the root's job?

take minerals and water from the soil

20

Where does carbon dioxide come from?

animals and people give off carbon dioxide when they breathe

21

What is chlorophyll?

the green material in plants

22

What are the root's "mouth"?

tiny root hairs

23

What other jobs do the roots do?

Hold the soil in place

24

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

spore

25

What is a spore?

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

26

Where are spores found?

Inside spore cases

27

Does a spore contain food like a seed?

no

28

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

moist shady place where it can get food and air

29

How is mold harmful?

It grows on food you eat and spoils it

30

How is mold helpful?

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