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Plant Biology > Plant Growth and Development > Flashcards

Plant Growth and Development Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Non-vascular plants

A

Lack xylem and phloem, ex. moss

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2
Q

Seedless vascular plants

A

Reproduce with spores, found in moist environments, ex. ferns

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3
Q

Gymnosperms

A

Have non-coated seeds, ex. conifers

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4
Q

Angiosperms

A

Flowering plants with coated seeds

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5
Q

Monocots/monocotyledons definition and characteristics

A 
Has a single cotelydon in seeds
Petals in multiples of 3
Fibrous roots
Scattered vasculature
Parallel leaf veins
No secondary growth
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6
Q

Dicots/dicotyledons definition and characteristics

A 
Seeds contain 2 cotyledons.
Petals in multiples of 4/5
Taproot
Vasculature in ring 
Netted leaf veins
Secondary growth
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7
Q

Epicotyl

A

Region above cotelydon

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8
Q

Hypocotyl

A

Region below cotyledon, above root axis

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9
Q

Pericarp

A

Seed coat

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10
Q

Endosperm

A

Provides nutrition for plant embryo

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11
Q

Seed definition

A

Embryo, endosperm, and coat

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12
Q

Embryo definition

A

Contains every part that isn’t endosperm or coat

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13
Q

Scutellum

A

Monocot cotyledon, specialized for absorbing endosperm (thinner, large surface area)

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14
Q

Cotyledon

A

Embryonic leaf

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15
Q

Embryonic shoot

A

Plumule

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16
Q

Embryonic root

A

Radicle

17
Q

Monocot cotyledon

A

Scutellum

18
Q

Structure that protects plumule

A

Coleoptile

19
Q

Structure that protects radicle

A

Coleorhiza

20
Q

Meristematic

A

Remains embryonic

21
Q

The meristematic regions

A

RAM-Root Apical Meristem

SAM-Shoot Apical Meristem

22
Q

Becomes the vascular tissue

A

Procambium

23
Q

Becomes epidermis

A

Protoderm

24
Q

Becomes ground tissue

A

Ground meristem

25
Q

Dormancy

A

Seed in stasis, needs cues to grow

26
Q

Seed banks

A

Seeds lying dormant in soil

27
Q

Seedling order of development

A

Radicle emerges first

Shoot emerges and protects SAM

28
Q

Type of growth in plants

A

Indeterminate growth

29
Q

Clonal replicates of SAM

A

Axillary buds

30
Q

Responsible for secondary growth

A

Lateral meristems

31
Q

Found in monocots, for growth of stems and leaves

A

Intercalary meristem

32
Q

Meristem Initials

A

Divide slowly and carefully

33
Q

Meristem Derivatives

A

Divide faster

34
Q

SAM Orginazation

A

Protoderm, ground meristem, procambium, ground meristem

35
Q

Quiescent center

A

In RAM, slowly dividing initials

Plant Biology (15 decks)

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