Science Vocabulary

Front 1

Autotroph

Back 1

An organism that makes it's own food.

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Cuticle

Back 2

The waxy, waterprof layer that covers the leaves and stems of most plants.

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Vascular Plant

Back 3

A plant that has true vascular tissue.

Front 4

Nonvascular Plant

Back 4

A low-growing plant that lacks true vascular tissue.

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Cone

Back 5

The reproductive system of a gymnosperm.

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Rhizoid

Back 6

A thin root- like structure that snchors moss and absorbs water and nutrients.

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Frond

Back 7

The leaf of a fern plant.

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Phloem

Back 8

The vascular tissue through which food moves in some plants.

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Zygote

Back 9

A fertilized egg, produced by the joining of a sperm and an egg.

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Ovule

Back 10

A structure that contains an egg cell.

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Pollination

Back 11

The transfer of pollen from male reproductive structures to female reproductive structures in plants.

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Angiosperm

Back 12

A flowering plant that produces seedsenclosed in a protective structure

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Flower

Back 13

The reproductive system of an angiosperm.

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Sepal

Back 14

A leaflike structure that encloses the bud of a flower.

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Petal

Back 15

A colorful leaf-like structure of some flowers.

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Stamen

Back 16

A male reproductive part of a plant.

Front 17

Pistil

Back 17

The female reproductive system on a flower.

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Ovary

Back 18

A flower structure that encloses and protects ovules and seeds as they develop; Organ of the female reproductive system in which eggs and estrogen are produced.

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Fruit

Back 19

The ripened ovary and other structures of an angiosperm that enclose one or more seeds.

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Monocot

Back 20

An angiosperm with one seed leaf.

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Dicot

Back 21

An angiosperm that has two seed leafs

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Xylem

Back 22

The vascular tissue through which water and nutrients move in some plant.

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Pollen

Back 23

Tiny particles(male gametophytes) produced by seed plants that contain the cells that later become sperm cells.

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Seed

Back 24

The plant structure that contains a young plant inside a protective shell.

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Embryo

Back 25

A young organism that develops from a zygote.

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Cotyledon

Back 26

A seed leaf.

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Cambium

Back 27

A layer of cells in a plant that produces both xylem and phloem.

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Transpiration

Back 28

The process by which water is lost through a plant's leaves.

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Germination

Back 29

The sprouting of the embryo from a seed that occurs where the embryo resumes birth.

Front 30

Root Cap

Back 30

A structure that covers the tip of the root, protecting the root from injury.

Front 31

Photosynthesis

Back 31

The process in which some organisms use water along with sunlight and carbon dioxide to make their own food.

Front 32

Heterotroph

Back 32

An organism that cannot make its own food.

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Stomata

Back 33

Small openings on a leaf through which oygen and carbon dioxide can move.

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Hormone

Back 34

A chemical in an organism that produces a specific effect such as growth or development.

Front 35

Auxin

Back 35

A plant's hormone that speeds up the rate of growth in plants.

Front 36

Chlorophyll

Back 36

A green pigment found in the chloroplasts of plants, algae, and some bacteria.

Front 37

Chloroplasts

Back 37

A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food..

Front 38

Dormancy

Back 38

A period when an organism's growth or activity stops.

Front 39

Annnual

Back 39

A flowering process that completes its life cycle in one growing season

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Perrenial

Back 40

A flowering plant that lives for more than two years.

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Gymnosperm

Back 41

A plan tthat produces seeds that are not enclosed by a protective fruit.

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Tropism

Back 42

The growth responseof a plant toward or away from a stimilus