Lab 4

Question 1

flowering plants

Answer 1

angiosperms

Question 2

the primary photosynthetic organs for most plants

Answer 2

leaves

Question 3

of some species have been adapted to store water, store starch

Answer 3

leaves

Question 4

important players in gas exchange and in the water stream that flows upwards from the soil and transpires from the

Answer 4

leaves

Question 5

three parts of a leave

Answer 5

: a blade, a petiole and a pair of stipules

Question 6

the flat expanded portion of the leaf

Answer 6

blade

Question 7

the stalk that supports the blade; in some plants it is absent

Answer 7

petiole

Question 8

a sessile plant is

Answer 8

petiole-less

Question 9

paired structures that may be found at the base of leaves. Their presence in many species is temporary since they are often shed early in the growing season; vary greatly

Answer 9

stipules

Question 10

rhubarb pie is made from

Answer 10

petiole

Question 11

to tell whether you are looking at a simple leaf or leaflet find the

Answer 11

axillary bud

Question 12

axillary buds are only found in the

Answer 12

axil of a leaf

Question 13

leaflets occuring in featherlike pattern

Answer 13

pinnately

Question 14

leaflets arise from a single point

Answer 14

palmately

Question 15

(xylem

Answer 15

water transfer

Question 16

phloem

Answer 16

food flows down

Question 17

areas on a stem that give rise to leaves or granches

Answer 17

nodes

Question 18

one leaf at a node

Answer 18

alternate

Question 19

number of leaves at a node is 2

Answer 19

opposite

Question 20

3+ leaves at a node

Answer 20

whorled

Question 21

veins in the stem which transport water and organic solutes

Answer 21

vascular bundles

Question 22

parallel in

Answer 22

monocot

Question 23

net veins in

Answer 23

dicot

Question 24

a plant which lives in an environment with a moderate amount of water

Answer 24

mesophyte

Question 25

covers the otuer surface of plants

Answer 25

dermal tissue

Question 26

type of dermal tissue covering young and non-woody plant organs

Answer 26

epidermis

Question 27

non-cellular layer that covers the upper epidermis

Answer 27

cuticle

Question 28

cuticle is comprised of

Answer 28

cutin

Question 29

purpose of cuticle is

Answer 29

retain water, slow down transpiration

Question 30

bulk of all plant orgins, 14 sided multiprupose cell

Answer 30

parenchyma

Question 31

middle layers of the leaf

Answer 31

mesophyll

Question 32

one of the most abundant tissues in the plant and can be adapted for storage and/or photosynthesis

Answer 32

parenchyma

Question 33

rectangle shaped cells

Answer 33

palisade

Question 34

circular cells

Answer 34

spongy

Question 35

conducting tissues of plants

Answer 35

vascular tissues

Question 36

xylem are

Answer 36

vessel elements

Question 37

xylem has walls of

Answer 37

lignin, secondary cell walls

Question 38

phloem are

Answer 38

sieve tube members and companion cells

Question 39

surrond and support he vascular bundle

Answer 39

bundle sheath cells

Question 40

bundle sheath cells are

Answer 40

fiber

Question 41

fiber is a type of cell in

Answer 41

sclerenchyma tissue

Question 42

sclerenchyma tissue is the

Answer 42

support in plants

Question 43

paired and smaller than epidermal cells, they let things come in and out

Answer 43

guard cells

Question 44

space between guard cell pair

Answer 44

stoma

Question 45

plant that lives in an arid environment

Answer 45

xerophyte

Question 46

cells that fill with water and causes the leaf to uncurl

Answer 46

bulliform cells

Question 47

nodes and axillary buds

Answer 47

are not the same

Question 48

leaf composition

Answer 48

simple and compound, pinnately and palmately

Question 49

bulk of plant cells are made of

Answer 49

parenchyma

Question 50

guard cells are usually found (x) because (x)

Answer 50

on the lower epidermis because it is not in the sunlight

Question 51

guard cells are always found by

Answer 51

a pocket of air

Question 52

means mouth

Answer 52

stoma

Question 53

xeric plants are curled so that

Answer 53

there is less surface for evaporatoin

Question 54

in xeric plants the stoma are

Answer 54

not found on the surface

Question 55

in xeric plants, helps keep water

Answer 55

Schlerncyma

Question 56

in the mesophyll xeric plants

Answer 56

have more spongy, no palisade

Question 57

in hydric the palisade

Answer 57

are bigger and more of

Question 58

in hydric plants, the guard cells

Answer 58

are only on the epidermis

Question 59

in hydric plants, there is (x) spongy

Answer 59

less

Question 60

in hydric plants, (x) are for support

Answer 60

sclerids

Question 61

in comparison to shade leaves, sun leaves have

Answer 61

more palisade, more spongy, more cuticle, higher shapre ratio, more stoma, more mass