Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BIO3 > Exam 5 > Flashcards

Exam 5 Flashcards

1
Q

Extradorinary attributes of Plants

A

Longevity: bristelcone pine; 4,848 yrs old
Height: redwood 380.1ft
Weight: Giant sequoia; 1,910 tons
Energy: produce 176 billion tons of carb. Per yr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are plants?

A

Create Own food. ; cell walls made of cellulose
Multicellular ; Photoautrophic
Don’t move ; Live typically on land
Have tissues & organs (roots, stems, leaves)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What move upwards from roots to stems to leaves?

A

Water & minerals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What flows bothways between shoots & roots

A

Sugar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

_ Macronutrients; _% of plant weight
_ Micronutrients; _% of plant weight

A

9 Macro; 99.7%
9 micro; .3%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Nitrogen (N) 1.5%

A

Component of nucleic acids,
proteins, and chlorophyll

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Potassium (k)

A

1.0%

Helps regulate opening
and closing of stomata

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Calcium (Ca)
0.5% Important to formation of cell walls; helps maintain
membranes

A

0.5%
Important to formation of cell walls; helps maintain
membranes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Magnesium (Mg)

A

0.2%
Component of chlorophyll

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Phosphorus (P)

A

0.2% Component of nucleic acids,
Phospholipids & ATP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Sulfur

A

.1%
Component of proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Iron (Fe)

A

Component of proteins
in electron transport chains (etc)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Nickel (Ni)

A

The only element not also required
by humans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Sodium (Na)

A

Only required by some plants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What macronutrients are inall organic compounds?

A

COH:
Carbon (45%)
Oxygen (45%)
Hydrogen (6%)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Shoot system includes:
Root system includes:

A

Leaves, stems

Roots

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Function of:
Leaves:
Stems:
Roots:

A

L: photosynthetic
S: supports, position, conduct (management)
R: absorb, anchor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Monocots vs. Eudicots

A

Monocots: Eudicots:
1 cotyledon 2 cotyledon
Parallel veins branching veins
(VT) arranged randomly (VT) arranged orderly ring
Scattered bundles
In 3’s flower parts In 4 or 5’s flower parts
Fibrous roots taproot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Eu:
Dicot:

A

Eu: true
Dicot: 2 seed leaves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

3 tissue system of plant body:

A

Dermal: outer protective covering
vascular: xylem (water) & phloem (sugar)
ground: all other tissue, metabolic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Xylem conducts _ and dissolved _ absorbed by the _ to _ throughout the plant

Goes _

A

Water
Minerals
Roots
Tissues

Up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Phloem conducts _ produced by _ in the _ to _ throughout the plant

goes _ and has _ tube

A

Sugar
Photosynthesis
Leaves
Tissues

Down
Sieve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What do roots do?

A

Absorb water minerals oxygen
Secure plant in place
Convert sugar to starch for storage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Root structure:

A

Dermal: epidermis absorbs water
Ground: cortex stores starch & minerals
Vascular: cylinder contains xylem & phloem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Composition of soil:

A

Minerals: 50%
Water & air: 45-50%
Organic materials: 1-5%

26
Q

Legume family roots have _ _ for _
_ crops with legumes increase soil _

A

Bacterial
Nodules
Rotating
Nitrogen

27
Q

Roots have _ relationship with _
By: _ using _ while providing _, _, _

A

Mutualistic
Fungi

Sugar
phosphate
nitrogen
growth factors

28
Q

What do stems do:

A

Leaf positioning, structural support,distribution

29
Q

Stem structure:

A

Dermal: protection
Vascular: Xylem & phloem
Ground: stores starch

30
Q

Xylem sap moves _
Steps: _ , _ , _

A

Up

Transpiration
Cohesion / adhesion
Root water uptake

31
Q

Phloem transports _ , _ , _ , _ to a _ cell

A

Sucrose
Ions
Hormones
Amino acids

Sink

32
Q

Leaves are always:

A

Thin

33
Q

Leaf structure:

A

Dermal: epidermis with stomata for gas exchange
Vascular: photosynthetic
Ground: Xylem & phloem

34
Q

Leaf structure: 1-5 :

A

1: waxy cuticle
2: non-photosynthetic epidermal cells
3: photosynthetic cells
4: vascular tissue
5: non-photosynthetic epidermal cells & stomata
( epidermal & guard cells , stomata )

35
Q

For each of the following structures in your body, name the most analogous plant tissue system:
a.Circulatory system
b.Skin
c.Body fat

A

a: vascular (xylem & phloem)

b: dermal

c: ground

36
Q

Plant defenses:

Anatomical:
Sticky:
Chemical:

A

A: thorns, spines, hair, bark
S: pitch
C: induce physiological & behavioral changes
( THC , methyl jasmonate )

37
Q

Asexual reproduction:

A

No genetic variation
Most plants have option
Quick
energetically efficient
preserves alleles

38
Q

Sexual Reproduction:

A

Genetic variation
Important in agriculture

39
Q

Sexual reproduction: seedless plants: process:

A

Make haploid spores&raquo_space; spores grow & make gametes
» male/female gametes join by water/wind

40
Q

Sexual reproduction: gymnosperms: process:

A

Make male/female cones with gametes
» gametes joined by wind

41
Q

Sexual reproduction: angiosperm: process:

A

Contains male/female gametes&raquo_space; fertilized by animal & wind&raquo_space; ovary matures to fruit for seed dispersal

42
Q

Carpel/ pistil:
Stamen:

A

C: Stigma style ovary
S: anther filament

43
Q

Colorful structures:

A

Sepals – protect flower bud
Petals – colorful for pollinators

44
Q

Filament:
Anther:

stigma:
Style:
Ovary:

A

F: stalk
A: houses pollen (sperm)

Sa: sticky top for pollen
S: neck
O: ovules containing egg cells and supporting cells

45
Q

Most expensive spice _ comes from _ of _ flower

A

Saffron
Stigma
Crocus

46
Q

Angiosperm pollination by _ , _ , _

Some examples of _ are _

A

Wind
Water
Animals ( bats, birds, insects ( bees, butterflies, flies ) )

47
Q

Most of Angiosperm pollination is from _ then _ then _ then _
Least from _

A

Bees
Birds
Butterflies/moths
Wind

Water

48
Q

Which of the following is the proper sequence of events when a flowering plant reproduces?
a.Fertilization; meiosis; nuclear fusion; endosperm
b.Growth of pollen tube; pollination; germination; fertilization
c.Meiosis; pollination; fertilization; embryo
d.Meiosis; fertilization; growth of pollen tube; germination
e.Mitosis; embryo; pollination; seed development

A

c.Meiosis; pollination; fertilization; embryo

49
Q

Seed germination occurs and growth begins when the_ ,_ , _ conditions for life are just right.

A

water
temperature
oxygen

50
Q

Types of plant growth:
Primary: _ from _ _
Secondary: _ from _ _

A

Lengthens ↑↓
Apical
Meristems

Strengthens ← →
Lateral
Meristems

51
Q

Apical meristems: is :

A

Shoot & root meristems

52
Q

Primary growth: _meristems divide by _
Found in _ & _
Dormant meristems can become _

A

Mitosis
Roots
shoots
Branches

53
Q

Secondary growth:
Increases _ & _ cells in _ _ meristems
1. _ cambium adds to _ & _
2. _ cambium provides _ _

A

width
Divides
2
lateral
Vascular
xylem
phloem
Cork
protective
exterior

54
Q

_ cambium is more _ than _ cambium

A

Vascular
Inside/ interior
Cork

55
Q

Vascular cambium makes large _ cells spring
_ fall

A

Xylem
Small

56
Q

Tree rings tells _ _

A

Tree age

57
Q

Many animals _ bark
_ tree

A

Damage
Threatening

58
Q

Why are most of the plants on earth today angiosperms?

A

Mechanism
Lots of mechanism pollination
Double fertilization (efficient)
Ovary to fruit

59
Q

For secondary growth: You can add _ tissue on either side of _ cambium
Epidermis _ & _ cambium, _ cork

A

Vascular
Vascular
Shed
Cork
More

60
Q

Secondary Xylem: is _ & _
_ is the the most _ then

A

Heartwood
Sapwood
Heartwood
Sapwood

61
Q

Trunk structure:

A

(Deepest to less)

Secondary xylem:
Heartwood
Sapwood

Vascular cambium
Secondary phloem
Cork cambium
Cork
Bark

BIO3 (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions