Ch. 2

Question 1

chlorophyll:

Answer 1

the green pigment in leaves in leaves that collects energy from sunlight

Question 2

chloroplasts:

Answer 2

plan organelles inside which photosynthesis takes place

Question 3

photosynthesis:

Answer 3

the process by which plants use light energy to convert water and carbon dioxide into sugar and oxygen

Question 4

stomata:

Answer 4

small openings through which gases move in and of of leaves

Question 5

nonvascular plant:

Answer 5

a simple, plant that lacks true leaves, stems, and roots

Question 6

phloem:

Answer 6

specialized tissue within roots, stems, and leaves that move materals

Question 7

transpiration:

Answer 7

evaporation through the leaves of a plant

Question 8

vascular plant;

Answer 8

a plant with specialized tissues and organs for transporting materials and other functions in and out

Question 9

xylem:

Answer 9

specialized plant tissue that moves materials

Question 10

angiosperm:

Answer 10

plants with seeds covered by protective fruits

Question 11

gymnosperm:

Answer 11

plants with seeds that are not covered by protective fruits

Question 12

pollination:

Answer 12

process of delivering pollen (male) to the egg (female) in a plant

Question 13

spores:

Answer 13

reproductive structures found in fungi and simple plants

Question 14

The energy used for photosynthesis comes from the ___

Answer 14

Sun

Question 15

Teo products of photoshynthesis are->

Answer 15

Sugars and oxygen

Question 16

The three kinds of molecules sugars (or carbohydrates) are ->

Answer 16

Oxygen, hydrogen, and carbon

Question 17

Leaves are the major organsof _____________ in plants

Answer 17

Photosynthesis

Question 18

The 4 parts of a leaf are the ->

Answer 18

Blade, epidermis, stomata, and veins

Question 19

People and animals breathe in and out oxygen and inhale _______ _______

Answer 19

Carbon dioxide

Question 20

Plants take incarbon dioxide and realease __

Answer 20

O2

Question 21

Fossil fuels contain carbon dioxide from dead organisms. The carrbon is realeased when the fuels are ______

Answer 21

Burnt

Question 22

Three forces that help water to move upward is:

Answer 22

Root pressure, cohesion, and transpiration

Question 23

Of the forces, transpiration is the most powerful force, and is strong enough to pull water to ___ _____ __ ____ ______

Answer 23

The tops of tall trees

Question 24

Scientists classify plants into 2 major groups: those that reproduce with seeds and those that _________ ____ ______

Answer 24

Reporoduce with seeds

Question 25

Most seedless plants reporoduce through ______

Answer 25

Spores

Question 26

Conifers and ___________

Answer 26

Gymnosperms

Question 27

The steps in the life cycle of a flowering plant are:

Answer 27

Pollination, fertillization, seed formation, germination, and growth

Question 28

Some plants can pollinate themselves, while others depend on wind, _____, and ________

Answer 28

Water and animals

Question 29

Dispersal of ______

Answer 29

Pollen

Question 30

Seeds are spread by ______, ______, and_______

Answer 30

Wind, water, animals