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Biology 101 flashcards
1
Q

vascular

A

plants that use roots and stems to take in water and nutrients

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2
Q

non vascular

A

plants that don’t use roots and stems

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3
Q

angiosperms

A

also known as flowering plants

seeds protected by ovule

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4
Q

gymnosperms

A

‘naked seed’

seed not protected by ovule

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5
Q

herbaceous

A

fleshy stem

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6
Q

woody

A

stems are covered by bark

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7
Q

grasses

A

slender leaves

send out rhizomes to reproduce

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8
Q

most general level of classification

A

domain

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9
Q

most specific classification

A

specific

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10
Q

phylogeny

A

the evolution of a particular species as, as new things develop/evolve, species have evolved

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11
Q

nomenclature

A

formal scientific naming of plants

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12
Q

taxonomy

A

science of naming organisms based on groups

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13
Q

sexual repro

A

2 parents contribute genetic info to produce a unique offspring genetically different from their parents’
requires fusion of male cells in the pollen grain with female cells in the ovule

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14
Q

how does being immobile affect the plant’s ability to reproduce

A

they need to rely on outside sources

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15
Q

pollination

A

the transfer of pollen from the male organ of a flower to the female organ

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16
Q

fertilization

A

the union of sperm and egg which occurs deep inside the flower after pollination

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17
Q

cross pollination

A

the pollen from one flower is carried to the stigma of another flower from the same variety

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18
Q

4 parts of the female reproductive system

A

stigma
style
ovary
ovule

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19
Q

one whole female reproductive unit is called a —-. numerous carpels are called a —-

A

carpel

pistil

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20
Q

stigma

A

part of the pistil where the pollen lands and germinates

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21
Q

style

A

a long tube on top of the ovary and below the stigma

ensures the pollen makes it to the ovule

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22
Q

ovary

A

at the base of the pistil

produces ovules

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23
Q

ovule

A

part of the ovary that contains the seeds

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24
Q

male repro organ

A

stamen

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25
Q

2 parts of stamen

A

anther

filament

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26
Q

the stamens typically corresponds with the number of

A

petals

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27
Q

anther

A

part of the stamen that produces and contains pollen

sits on top of the stalk

28
Q

filament

A

long hair-like stalk that the anther sits on top of

29
Q

petals

A

attracts pollinators

30
Q

sepal

A

green leaf-like parts below petals

protects flower bud

31
Q

receptacle

A

thickened part of stem on which the flower organ grows

32
Q

perfect flowers

A

all female or all male but not in the same flower

33
Q

imperfect flower

A

have both female and male parts in the same flower

34
Q

complete flowers

A

have all the parts of a flower

35
Q

when talking about species; plants with increase in number…

A

increase in similarity

36
Q

stem

A

transports water and nutrients though

37
Q

roots

A

uptake nutrients and water

anchor plant

38
Q

flowers

A

reproductive organ

39
Q

leaves

A

photosynthesis

40
Q

vascular tissues

A

xylem and phloem

41
Q

xylem

A

transports water an nutrients from the roots
goes up
dead

42
Q

pholem

A

carries glucose and ate made in photosynthesis throughout the plant
goes down
alive

43
Q

asexual reproduction

A

new plant formed using the host/parent plant in some way

44
Q

double fertilization

A

when 1 pollen grain travels down a tube created by the tube cell and meets with an ovule. 1 sperm makes embryo and the other becomes the seed coat

45
Q

4 ways to propagate a plant

A

grafting
air layering
ground layering
cuttings (root, stem, leaf)

46
Q

why are fruit trees grafted

A

allows tree to have a good root system and have good fruit
grows can be selective
perfect plant to grow well and produce fruit

47
Q

hormodin

A

initiates root growth

48
Q

photosynthesis

A

allows plant to produce food and thus energy

49
Q

transpiration

A

to get water

50
Q

respiration

A

makes plant self-sustaining

allow plant to get food (energy) at night

51
Q

Scientific name: Poinsettia

A

Euphorbia pulcherrima (underline)

52
Q

Poinsettias are native to:

A

Mexico

53
Q

“Poinsettia Day”

A

December 12

54
Q

How many varieties of Poinsettias?

A

over 100

55
Q

Poinsettias contribute over— to the US economy at the retail level

A

$250 million

56
Q

Poinsettias are the — in the US and Canada

A

best selling potted plant

57
Q

5 cultivars of poinsettias that we grow at school

A

Prestige Red, Freedom Red, Marblestar, White Star, Autumn Leaves

58
Q

4 parts of a poinsettia

A

Bract, Transition bract, cyathia, leaf

59
Q

Wholesale growers supply — rooted cuttings

A

2 1/4”

60
Q

poinsettia production

A

hard pinch

drop bracts after flowering, so its important to get timing down

61
Q

6.5” pot =

A

1 plant

12” x 12” spacing

62
Q

8” pot =

A

2 plants

18” x 18” spacing

63
Q

10” pot =

A

3 pots

24” x 24” spacing

64
Q

poinsettia growing requirements

A

Photoperiodic plants, temperatures, watering (minimal & avoid leaves), fertilizers

65
Q

best poinsettia practices

A

marathon for insects (most commonly white fly)
1/2 tsp per 6.5” pot and 8” pot
1 tsp per 10” pot

66
Q

minimal water for poinsettias to avoid diseases:

A

Stem and Root Rot
Botrytis Blight
Powdery Mildew
Viruses

plant science 3 (1 decks)

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