Lab 5

Question 1

dermal tissue

Answer 1

epidermis (lower and upper)

Question 2

ground tissue

Answer 2

mesophyl (palisade parenchyma)
spongy parenchyma

Question 3

vascular tissue

Answer 3

phloem
xylum

Question 4

stomata

Answer 4

openings in the epidermis to allow gas exchange

Question 5

guard cells

Answer 5

open and close the stomata

Question 6

pavement cells

Answer 6

make up epidermis

Question 7

subsidiary cells

Answer 7

next to guard cells

Question 8

xylem

Answer 8

transports water and nutrients from roots (vessels)

Question 9

protoxylem

Answer 9

begin development early

Question 10

metaxylem

Answer 10

mature slowly, wider diameter

Question 11

phloem

Answer 11

bottom of vessel (sieve tubes)

Question 12

purpose of bundle sheath in 4C plants

Answer 12

makes photosynthesis more efficient

Question 13

nerium adaptations (dry environment)

Answer 13

multilayer epidermis
thick cuticle
recessed stomata
major vein vascular bundle with xylem

Question 14

nymphea adaptations (wet environment)

Answer 14

aerenchyma for bouyancy
vital palisade layer
stomata on upper epidermis
reduced vascular bundles