Lab 5

Question 1

flowering plants

Answer 1

angiosperms

Question 2

ex: grasses, palm trees, orchids, and lilies

Answer 2

monocots

Question 3

oaks, maples, mints, roses

Answer 3

dicots

Question 4

a single main root, enlarged for water and/or food storage, and many smaller branch roots

Answer 4

tap root

Question 5

typical of monocots in which there are several main roots of equal size

Answer 5

fibrous root

Question 6

thimble-shaped region of short-lived cells at the very end of the roog

Answer 6

root cap

Question 7

site of actively dividing cells that accounts for the growth of roots and replaces cells in the root cap as they are worn off

Answer 7

apical meristem or zone of cell division

Question 8

area of rapid root growth as cells elongate

Answer 8

zone of elongation

Question 9

final region in which embrionic cells differentiate into specialized tissues that make up the anatomy of a root

Answer 9

zone of elongation

Question 10

fine extentions of epidermis where water and minerals are first absorbed into the root

Answer 10

root hairs

Question 11

larger outer region that is adapted for storage and the passage of water ad minerals tot he vascular cylinder

Answer 11

cortex

Question 12

central core of root tissue

Answer 12

stele

Question 13

where the conducting tissues of xylem and phloem are located

Answer 13

vascular bundles

Question 14

advantages of fibrous

Answer 14

goes wide, acts like sponge over big area

Question 15

advantages of tap

Answer 15

enlarged to store more water and deeper, more stable water source

Question 16

dandelion roots example of

Answer 16

tap

Question 17

corn and grass roots examples of

Answer 17

fibrous

Question 18

iodine tests for

Answer 18

starch

Question 19

what type fo tissue is the cortex?

Answer 19

turns blue/black to show starch and parencyma

Question 20

HCl turns red to show

Answer 20

lignin

Question 21

lignin is found in

Answer 21

secondary cell walls

Question 22

HCl shows litin in

Answer 22

vascular cylindar with xylem

Question 23

mesic

Answer 23

moderate moisture ground conditions

Question 24

innermost layer of cortex

Answer 24

endodermis

Question 25

a waxy material that encircles each endoermal cell wall

Answer 25

casparian strip

Question 26

water passes (x) the endodermal cells

Answer 26

thorough

Question 27

cross pattern of xylema nd ploem within vascular cylinder is typical of

Answer 27

dicot roots

Question 28

hydric plants

Answer 28

don't have xylem

Question 29

epiphytes

Answer 29

aerial plants

Question 30

device used to make thin sections

Answer 30

microtome

Question 31

cactus is all

Answer 31

stem

Question 32

creeping charlie is a member of

Answer 32

the dicot mint family

Question 33

mints have

Answer 33

square stems

Question 34

a type of support tissue in plants which has primary cell walls thickest at the corners; checker board pattern

Answer 34

collenchyma

Question 35

center of parenchyma tissue in a stem is called

Answer 35

pith

Question 36

red eyes of monkey face

Answer 36

xylem

Question 37

monkey face

Answer 37

vascular bundle

Question 38

monkey face is surronded by x for x

Answer 38

sclernchyma for support

Question 39

the forehead of the monkey face is x and x

Answer 39

companion cells and sieve tube members

Question 40

point on stem at which leaves or branches occur

Answer 40

node

Question 41

segment of the branch between two adjacent nodes

Answer 41

internode

Question 42

scar left on stem by abscise leaf

Answer 42

leaf scar

Question 43

natural dropping off of a plant part (leaf in fall)

Answer 43

abscission

Question 44

vascular bundle scars

Answer 44

the severed end of the vascular bundles that extend from the leaf into the stem

Question 45

small roundish or elongated structures of loosely arranged cells in the stem surface through which gaseous exchange takes place

Answer 45

lenticels

Question 46

protective covering of a bud

Answer 46

bud scales

Question 47

ring of scale scars surronding the stem and produced by the abscission of the terminal bud scales as dormancy was broken. a year's growth occurs between successive terminal bud scale scar rings. determing the age of your twig by counting these bud scale scar rings

Answer 47

terminal bud scale scars

Question 48

all other buds, generally located in a leaf axil

Answer 48

axillary (lateral) bud

Question 49

the conducting cells of xylem are

Answer 49

vessel elements and tracheids

Question 50

have a wide diamter which permits great quantities of water to be moved and have completely lost their end walls which permits the more rapid movement of water through th eplant; stacked one on top of another to form pipe-like structures

Answer 50

vessel elements

Question 51

tapering end walls that are thin but not completely open; joing one to another to form continous condiut for water transport

Answer 51

trachaieds

Question 52

vessel elements and tracheids are both x when functioning

Answer 52

dead

Question 53

needle shaped cells also with thick secondary cells but without pits (holes), are also found in wood and contribute to the hardness of angiosperm wood

Answer 53

fibers

Question 54

each ring is deposited during a single growing season

Answer 54

annual or tree ring

Question 55

when water is more abundant, the xylem vessels are larger in diameter and make up the section of the annual ring called

Answer 55

spring or early wood

Question 56

as water levels in the soil become less available, the diameter of the vesel elements decreases,a dn those smaller diamter vesels make up

Answer 56

summer or late wood

Question 57

the spoke-liek projections radiating outward from the pith, which accomplish lateral side translocation of water throughout the stem.

Answer 57

vascular rays

Question 58

outside and adjacent to the outermost annual ring in the xylem is (x) appearing as a few rows of narrow, thin walled rectangualr cells

Answer 58

vascular cambium

Question 59

alternating wedge-shaped areas of (x) and funnel shapeareas the (x) rays

Answer 59

phloem

Question 60

the epidermis is replaced by (x) in wood

Answer 60

periderm

Question 61

cork cells are no longer

Answer 61

living

Question 62

geotrophism is shown in

Answer 62

the root cap

Question 63

vascular cylindar cross is in

Answer 63

dicot

Question 64

Ring of xylem, alternation of xylemand phloem

Answer 64

monocot

Question 65

center of parenchyma cells is

Answer 65

pith

Question 66

hydric roots have no

Answer 66

vascular cylinder

Question 67

xeric roots hav

Answer 67

velamin

Question 68

velamin

Answer 68

is white, prevents water loss

Question 69

ring of vascular bundles

Answer 69

dicot

Question 70

scatted vascular bundles

Answer 70

monocot

Question 71

(x) grows together to make rings when plant becomes woody

Answer 71

xylem

Question 72

when a plant becomes woody, the epidermis is replaced by the

Answer 72

periderm

Question 73

tree rings (x) when moose are abundant

Answer 73

decrease