Unit 2 Flashcards by Caton McClam

Q

cell walls are made of what?

A

cellulose

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Q

apical meristem

A

embryonic tissue on roots and shoots

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Q

sporopollenin and waxy cuticle

A

prevents desiccation and disperses spores

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Q

stomata

A

gas exchange

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Q

xylem

A

transport and support

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Q

roots

A

anchor and support, absorbs water

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Q

leaves

A

photosynthesis

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Q

reduced gametophytes

A

forms ovules in females and pollen in males

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Q

pollen

A

eliminates swimming sperm

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Q

seeds

A

dispersal with food

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Q

flowers

A

attraction of insects and transfer of pollen

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Q

fruit

A

protection of seeds and dispersal

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Q

fibrous roots

A

monocots and ferns. adventitious

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Q

taproot

A

eudocots and gymnosperms. lateral roots

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Q

node

A

the place where the stem branches off

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Q

internode

Study These Flashcards

A

the length of stem between two branches

Q

terminal bud

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A

bud found on the apex of the stem ,where the most growth appears

Q

axillary bud

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A

located in the axil of the leaf. the armpit of the stem and the branch

Q

blade

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A

leaf

Q

petiole

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A

base of branch

Q

parallel veins

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A

monocot

Q

netted. veins

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A

dicot

Q

dermal tissues

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A

epidermis, periderm, cuticle

Q

vascular tissue

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A

xylem and phloem

ground tissue

pith and cortex

ground tissue cells

parenchyma, collenchyma, sclerenchyma

xylem tissue cells

tracheas, vessel elements

phloem tissue cells

sieve tube members, companion cells

macronutrients

C, O, H, N, P, S

micronutrients

Cl, Fe, Mn, B, Zn, Cu, Ni

limiting nutrient

N, P, K -- compensate with fertilizer

soil characteristics

texture, composition

How do plants get nitrogen?

only bacteria can acquire nitrogen for plants