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

A

the length of stem between two branches

Q

terminal bud

A

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

Q

axillary bud

A

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

Q

blade

A

leaf

Q

petiole

A

base of branch

Q

parallel veins

A

monocot

Q

netted. veins

A

dicot

Q

dermal tissues

A

epidermis, periderm, cuticle

Q

vascular tissue

A

xylem and phloem

Q

ground tissue

A

pith and cortex

Q

ground tissue cells

A

parenchyma, collenchyma, sclerenchyma

Q

xylem tissue cells

A

tracheas, vessel elements

Q

phloem tissue cells

A

sieve tube members, companion cells

Q

macronutrients

A

C, O, H, N, P, S

Q

micronutrients

A

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

Q

limiting nutrient

A

N, P, K – compensate with fertilizer

Q

soil characteristics

A

texture, composition

Q

How do plants get nitrogen?

A

only bacteria can acquire nitrogen for plants