7Th Grade Science, Plants

Front 1

Vascular tissue that forms hollow vessels that transport substances

Back 1

Xylem

Front 2

Plant that absorbs water through cell walls instead of tube like structures

Back 2

Nonvascular

Front 3

A plant with one cotyledon (leaf)

Back 3

monocot

Front 4

small openings in the surface of most plant leaves

Back 4

stomata

Front 5

Threadlike structures that anchor nonvascular plants to the ground

Back 5

rhizoids

Front 6

Provides structure and support in cell walls

Back 6

Cellulose

Front 7

Vascular tissue that produces xylem and phloem cells as a plant grows

Back 7

Cambium

Front 8

A plant with two cotyledons (leaves)

Back 8

dicot

Front 9

Vascular tissue that forms tubes that transport sugar and water

Back 9

phloem

Front 10

Vascular plants that do not flower

Back 10

gymnosperm

Front 11

Flowering vascular plants

Back 11

angiosperm

Front 12

With tube-like structures that move minerals and water through the plant

Back 12

vascular

Front 13

Waxy protective layer that covers stems, leaves and flower parts

Back 13

cuticle

Front 14

First organisms to grown in new or disturbed areas. They break down rock and build soil

Back 14

Pioneer species

Front 15

Pairs of cells that surround stomata and control their opening and closing

Back 15

guard cells

Front 16

Plant adaptations include the development of water resistant what?

Back 16

Spores

Front 17

What system was developed by Linnaeus and gives each species a 2-word name

Back 17

Binomial nomendature

Front 18

What two things show that plants and green algae probably had a common ancestor

Back 18

Chlorophyll and carotenoids

Front 19

What is the substance in plants that make them green?

Back 19

chlorophyll

Front 20

How do cell walls and cuticle help plants live in deserts

Back 20

They slow down water loss

Front 21

How do scientists study evolution?

Back 21

They look at fossils

Front 22

How is life on land advantageous for plants

Back 22

they have more sunlight and carbon dioxide

Front 23

What provides plant cells with structure and protection

Back 23

Cell walls

Front 24

process where plants use chlorophyll to make food

Back 24

photosynthesis

Front 25

Chlorophyll is found in a cell structure called what

Back 25

chloroplast

Front 26

What are the red, yellow or orange pigments that are also used for photosynthesis

Back 26

carotenoids

Front 27

To reproduce, plants developed what two things

Back 27

spores and seeds

Front 28

Water is absorbed and distributed directly through what

Back 28

cell membranes

Front 29

How do seedless plants reproduce

Back 29

spores

Front 30

What nonvascular plant is a green, leaflike growth arranged around a central stalk

Back 30

mosses

Front 31

What non-vascular plant has flattened, leaflike bodies

Back 31

liverworts

Front 32

What nonvascular plant has only one chloroplast in each of their cells

Back 32

hornworts

Front 33

Which plants grow thicker and bigger, vascular or non-vascular

Back 33

Vascular

Front 34

Vascular plants have what three parts

Back 34

stems, leaves and roots

Front 35

What are fern leaves called

Back 35

fronds

Front 36

What kind of leaves do club mosses have

Back 36

needlelike

Front 37

which vascular plants have jointed stems with a hollow center

Back 37

horsetails

Front 38

what is used for weaving material and basketry

Back 38

ferns

Front 39

a thin layer of cells on the upper and lower surface of a leaf

Back 39

epidermis

Front 40

each stoma is surrounded by two what that open and close it

Back 40

guard cells

Front 41

What layer contains the chloroplasts were most food is made

Back 41

Palisade Layer

Front 42

What is the loosely arranged layer of loosely arranged cells and air

Back 42

Spongy layer

Front 43

Stems allow the movement of materials between what two plant parts

Back 43

Leaves and roots

Front 44

what are the two kinds of stems

Back 44

herbaceous and woody

Front 45

which stems are soft and green

Back 45

herbaceous

Front 46

what stems are hard and rigid

Back 46

woody

Front 47

What are the three kinds of vascular tissue

Back 47

xylem, phloem and cambium

Front 48

which tissue transports water from the roots throughout the plan

Back 48

Xylem tissue

Front 49

which tissue produces xylem and phloem cells

Back 49

cambium tissue

Front 50

which tissue moves food from where it is made to other parts of the plant

Back 50

phloem tissue

Front 51

Gymnosperms have no what

Back 51

flowers

Front 52

what are the four division of gymnosperms

Back 52

conifers, cycads, ginkgoes and gnetophytes

Front 53

conifers reproduce by male and female what

Back 53

cones

Front 54

what are the two groups of angiosperms

Back 54

monocots and dicots

Front 55

What kind of angiosperm has a life cycle of 1 year

Back 55

annual

Front 56

what angiosperm has a life cycle of about 2 years

Back 56

biennial

Front 57

what angiosperm takes more than two years to grow to maturity

Back 57

perennials