Biology Key Terms Chap. 24

Front 1

waxy, watertight, outer covering of nonwoody above-ground parts of a plant

Back 1

cuticle

Front 2

opening in a leaf or a stem of a plant that enables gas exchange to occur

Back 2

stoma

Front 3

waxy, watertight, outer covering of nonwoody above-ground parts of a plant

Back 3

cuticle

Front 4

one of a pair of specialized cells that border a stoma

Back 4

guard cell

Front 5

opening in a leaf or a stem of a plant that enables gas exchange to occur

Back 5

stoma

Front 6

system of vascular tissues that transport water and other materials in plants

Back 6

vascular system

Front 7

one of a pair of specialized cells that border a stoma

Back 7

guard cell

Front 8

structure that consists of a plant embryo surrounded by a protective coat

Back 8

seed

Front 9

system of vascular tissues that transport water and other materials in plants

Back 9

vascular system

Front 10

early stage in the development of plants and animal; term for a developing human during the first 8 weeks of pregnancy

Back 10

embryo

Front 11

vascular plant that produces seeds

Back 11

seed plant

Front 12

struture that consists of a plant embryo surrounded by a protective coat

Back 12

seed

Front 13

reproductive structure of angiosperms; produces pollen in the anthers of stamens and eeds in a fruit; the mature ovary of a pistil

Back 13

flower

Front 14

early stage in the development of plants and animal; term for a developing human during the first 8 weeks of pregnancy

Back 14

embryo

Front 15

type of vascular tissue in plants, that contains soft-walled conducting cells through which organic compounds are transported throughout the body of a plant

Back 15

phloem

Front 16

vascular plant that produces seeds

Back 16

seed plant

Front 17

type of vascular tissue in plants that contains hard-walled conducting cells that transport water and dissolved minerals upward from the roots to the leaves

Back 17

xylem

Front 18

reproductive structure of angiosperms; produces pollen in the anthers of stamens and eeds in a fruit; the mature ovary of a pistil

Back 18

flower

Front 19

portion of a plant that grows mostly upward and aboveground

Back 19

shoot

Front 20

type of vascular tissue in plants, that contains soft-walled conducting cells through which organic compounds are transported throughout the body of a plant

Back 20

phloem

Front 21

portion of a plant that grows mostly downward and below ground

Back 21

root

Front 22

type of vascular tissue in plants that contains hard-walled conducting cells that transport water and dissolved minerals upward from the roots to the leaves

Back 22

xylem

Front 23

region(or zone) of actively dividing, undeifferentiated plant cells that are capable of devloping into specialized plant tissues

Back 23

meristem

Front 24

portion of a plant that grows mostly upward and aboveground

Back 24

shoot

Front 25

hypha that acts as an anchor for a fungus; hair-like projection that anchors a nonvascular plant

Back 25

rhizoid

Front 26

portion of a plant that grows mostly downward and below ground

Back 26

root

Front 27

region(or zone) of actively dividing, undeifferentiated plant cells that are capable of devloping into specialized plant tissues

Back 27

meristem

Front 28

horizontal underground stem

Back 28

rhizone

Front 29

hypha that acts as an anchor for a fungus; hair-like projection that anchors a nonvascular plant

Back 29

rhizoid

Front 30

waxy, watertight, outer covering of nonwoody above-ground parts of a plant

Back 30

cuticle

Front 31

opening in a leaf or a stem of a plant that enables gas exchange to occur

Back 31

stoma

Front 32

horizontal underground stem

Back 32

rhizone

Front 33

one of a pair of specialized cells that border a stoma

Back 33

guard cell

Front 34

system of vascular tissues that transport water and other materials in plants

Back 34

vascular system

Front 35

structure that consists of a plant embryo surrounded by a protective coat

Back 35

seed

Front 36

early stage in the development of plants and animal; term for a developing human during the first 8 weeks of pregnancy

Back 36

embryo

Front 37

vascular plant that produces seeds

Back 37

seed plant

Front 38

reproductive structure of angiosperms; produces pollen in the anthers of stamens and eeds in a fruit; the mature ovary of a pistil

Back 38

flower

Front 39

type of vascular tissue in plants, that contains soft-walled conducting cells through which organic compounds are transported throughout the body of a plant

Back 39

phloem

Front 40

type of vascular tissue in plants that contains hard-walled conducting cells that transport water and dissolved minerals upward from the roots to the leaves

Back 40

xylem

Front 41

portion of a plant that grows mostly upward and aboveground

Back 41

shoot

Front 42

portion of a plant that grows mostly downward and below ground

Back 42

root

Front 43

region(or zone) of actively dividing, undifferentiated plant cells that are capable of developing into specialized plant tissues

Back 43

meristem

Front 44

hypha that acts as an anchor for a fungus; hair-like projection that anchors a nonvascular plant

Back 44

rhizoid

Front 45

horizontal underground stem

Back 45

rhizone

Front 46

long, highly divided leaf of a fern

Back 46

frond

Front 47

in plants, a cluster of nongreen spore-bearing leaves; in animals, photoreceptor of the retina of the eye that detects color

Back 47

cone

Front 48

seed plant that produces reproductive strucutres in flowers and seeds within a fruit

Back 48

angiosperm

Front 49

structure that contains one or more seeds and develops from the ovary of the pistil of a flower

Back 49

fruit

Front 50

nutritious triploid (3n) tissue that devlops in the seeds of angiosperms

Back 50

endosperm

Front 51

dicotyledon; angiosperm that produces seeds with two cotyledons

Back 51

dicot

Front 52

type of grass plant that produces edible fruits called grains and is grown as food for humans and livestock

Back 52

cereal

Front 53

edible dry fruit of a cereal grass

Back 53

grain

Front 54

any nonreproductive part of a plant

Back 54

vegetative part

Front 55

monocotyledon; angiosperm that produces seeds with a single cotyledon

Back 55

monocot

Front 56

seed plant that produces seeds that do not develop within a fruit

Back 56

gymnosperm