ch 35 and 36

Question 1

root hairs

Answer 1

increase surface area

Question 2

nodes

Answer 2

pts where leaves are attached

Question 3

internodes

Answer 3

the stem segment between nodes

Question 4

axillary bud

Answer 4

a structure that has potential to form a lateral shoot or branch

Question 5

apical bud

Answer 5

causes elongation of a young shoot

Question 6

apical dominance

Answer 6

helps maintain dormancy in most axillary buds

Question 7

xylem

Answer 7

water and dissolved minerals

Question 8

phloem

Answer 8

transports organic nutrients to where they are needed

Question 9

water conducting cells of xylem

Answer 9

tracheids and vessel elements

Question 10

tracheids

Answer 10

found in all vascular plants

Question 11

sieve tube elements

Answer 11

alive and functional at maturity, lack organelles

phloem

Question 12

sieve plates

Answer 12

porous end walls that allow fluid to flow between cells along the seive tube

Question 13

companion cell

Answer 13

each seive tube element has one, whose nucleus and ribosomes serve both cells

Question 14

meristems

Answer 14

perpetually ebryonic tissue and allows for indertiminate growth

Question 15

apical meristems

Answer 15

located at the tips of roots and shoots and at the axillary buds of shoots

Question 16

primary growth

Answer 16

apical meristems elongate shoots and roots

Question 17

secondary growth

Answer 17

lateral meristems add thickness to woody plants

Question 18

2 lateral meristems

Answer 18

vascular cambium and cork cambium

Question 19

vascular cambium

Answer 19

adds layers of vascular tissue called secondary xylem and secondary phloem

Question 20

cork cambium

Answer 20

replaces the epidermis with periderm, which is thicker and tougher

Question 21

stomata

Answer 21

allows CO2 and O2 exchange

guard cells

Question 22

mesophyll

Answer 22

ground tissue in leaf