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Life Science > Plants > Flashcards

Plants Flashcards

1
Q

Chlorophyll

A

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

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2
Q

Photosynthesis

A

The process in which a plant uses carbon dioxide gas and water to make food and oxygen

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3
Q

Tissues

A

Are larges groups of simpler cells that preform a specific function in an organism

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4
Q

Chloroplasts

A

Are structures in which food is made.

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5
Q

Vacuole

A

A large storage sac that can expand and shrink.

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6
Q

Cuticle an adaptation that plants use

A

a waxy, water proof layer

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7
Q

Vascular tissue

A

Is a system of tú like structures inside a plant through which water, minerals, and food move.

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8
Q

Nonvascular plant

A

Plants that lack vascular tissue for transporting materials

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9
Q

Rhizoids

A

Thin root-like. Structures

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10
Q

Vascular plant

A

Plants with vascular tissue

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11
Q

Phloem

A

The vascular tissue through which food moves

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12
Q

Xylem

A

A vascular tissue through which minerals and water move

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13
Q

Fronds

A

Fern like leaves

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14
Q

Pollen

A

Tiny structures that contain the cells that will later become sperm cells.

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15
Q

Seed

A

A structure that contains a young plant inside a develop

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16
Q

Gymnosperm

A

A seed plant that produces naked seeds

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17
Q

Angiosperm

A

Flowering plants

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18
Q

Cotyledon

A

Seed leaf

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19
Q

Monocots

A

Angiosperm’s that have only one seed leaf

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20
Q

Diocots

A

Produce seeds with two seed leaves

21
Q

Root cap

A

Protects the root from injury as the root grows through the soil

22
Q

Cambium

A

Ga layer of cells

23
Q

Stomata

A

small openings, or pores in a leaf

24
Q

Transpiration

A

Tthe process by which water evaporates from a plants leaves

25
Q

Embryo

A

the young plant that develops from the fertile egg

26
Q

Germination

A

Occurs when the embryo begins to grow again and pushes out the seed

27
Q

Flower

A

the reproductive structure of an angiosperm

28
Q

Pollination

A

The transfer of polonium from the male reproductive structures to the female ones

29
Q

Sepals

A

A leaf like structure that encloses a new bud

30
Q

Petals

A

I the colorful leaf like structures that are usually the most colorful part of the plant

31
Q

Stemens

A

The male reproductive parts.

32
Q

Pistils

A

The female reproductive parts.

33
Q

Ovary

A

A hallow structure that protects the seed as it develops

34
Q

Sporophyte stage

A

Is the stage where the plant produces spores

35
Q

Gametophyte

A

The plant produces two kinds of sex cells: sperm, and eggs

36
Q

Annuals

A

A plant that has completed one life cycle within one growing season

37
Q

Biennials

A

Angiosperms that complete their life cycle in two years

38
Q

Perennials

A

Flowering plants that have lifted for more then 2 years

39
Q

Fertilization

A

Happens when a sperm cell units with an egg cell

40
Q

Zygote

A

A fertilized egg

41
Q

Cones

A

Reproductive structures covered with scales

42
Q

Ovule

A

A structure that contains a egg cell

43
Q

Fruit

A

A ripened ovary that encloses one or more seeds

44
Q

Tropism

A

A plant’s growth response towards or away from a stimulus

45
Q

Hormone

A

A chemical that affects how the plant grows and develops.

46
Q

Auxin

A

A plant hormone

47
Q

Photoperiodism

A

A plant’s response to seasonal changes in the length or the night and day

48
Q

Critical night length

A

The numbers of hours of darkness that determines when a flower will grow

49
Q

Dormancy

A

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

Life Science (9 decks)

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