Plants Flashcards by mary graceyn gordon

Q

Bryophyte

A

moss, no roots stems leaves vascular

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Q

Pterophtya

A

fern, roots stems leaves vascular

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Q

Anthophyta

A

flowering plant

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Q

gymnosperm

A

cone

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Q

angiosperm

A

flowering plant-seed producing

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Q

monocot

A

1 seeded, 3, scattered vb

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Q

dicot

A

2 seeded, 4-5, circular vb

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Q

meristem

A

tissue containing cells

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Q

node

A

holds leaves and buds

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Q

parenchyma

A

thin, used for storage

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Q

collenchyma

A

thick, mechanical support, young plants

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Q

sclerenchyma

A

thickest, mechanical support, mature plants

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Q

capillary action

A

rise of liquids in thin tubes

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Q

cohesion tension theory

A

transpiration, cohesion, bulk flow

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Q

ground tissue

A

all tissue-parenchyma

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Q

dermal tissue

A

protects soft tissue, single layer, secretes cuticle

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Q

vascular tissue

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A

xylem and phloem

Q

xylem cells

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A

tracheids and vessel members-transport H2O

Q

phloem cells

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A

sieve tubes and companion cells, maintain support

Q

apical

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A

tip of shoot and root, dividing cells

Q

lateral

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A

secondary tissue, woody plants, vascular cork and cambium

Q

annual

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A

one year, peas, watermelon

Q

perennial

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A

live more than 2 years, tomato, potato

Q

primary

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A

vascular tissue from apical meristem extends length of plant parts

secondary

increases girth, origin of woody plants

sapwood

soft outer layers

heartwood

dense inner part of trunk

softwood

wood from conifer, pliable

hardwood

wood from oak, used for flooring

cork cambium

tissue in stem of plant-epidermis and cortex

auxins

plant growth, elongates cells

cytokinins

cell division, roots

gibberellins

cell growth, young leaves

abscisic acid

growth inhibitor

ethylene

gas that protects fruit ripening

phototrophism

growth pattern towards light

gravitrophism

growth pattern pulled towards gravity

thigmotrophism

growth responds to touch

photoperiodism

response to length of day and night

long day plants

plants that flower when daylight increases

short day plants

plants that flower when daylight decreases

day neutral plants

respond to other cues such as temp or water