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Bio 2 > Ch_23B_Gymnosperms > Flashcards

Ch_23B_Gymnosperms Flashcards

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Biology 101 flashcards
1
Q

1st trees

A

Gymnosperm

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2
Q

1rst tree with flying sperm aka pollen

A

Gymnosperm

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3
Q

Naked Seed

A

no protective ovary

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4
Q

number of Gymnosperm tree and shrub species

A

760

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5
Q

number of Gymnosperm conifer species

A

550

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6
Q

Gymnosperm resin use

A

insect resistance

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7
Q

Gymnosperms have highly developed _ and _ tissues

A

root, stem

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8
Q

Gymnosperm groups/phyla

A

Conifers, Ginkgoes, Cycads, Gnetophytes

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9
Q

Phlyum Confierophyta common word

A

Conifer

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10
Q

Redwood type

A

Conifer

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11
Q

Pine type

A

Conifer

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12
Q

Fir type

A

Conifer

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13
Q

Juniper type

A

Conifer

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14
Q

Cypress type

A

Conifer

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15
Q

Redwood type

A

Conifer

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16
Q

largest tree species

A

Sequoia

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17
Q

Do Conifers have needles or leaves

A

needles

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18
Q

Monoecious

A

male and female on same individual plant

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19
Q

Are conifers monoecious or diecious?

A

monoecious

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20
Q

Largest Living Thing On Earth

A

The Gerenal Sherman Tree, a Sequoia Conifer

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21
Q

Conifer that grows in swamps

A

Cypress trees

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22
Q

Microspores common term

A

pollen

23
Q

Where do pollen develop on Gymnosperms

A

male cones

24
Q

After pollen release, the male cones _

A

die

25
Q

Megaspores common term

A

eggs

26
Q

Where do megaspores form on Gymnosperms

A

female cones

27
Q

after fertilization, how long does seed development take for Conifers?

A

3 years

28
Q

Only tree in Ginkgophyta

A

Ginkgoes

29
Q

Ginkgoes common name

A

Maidenhair Tree

30
Q

The only deciduous Gymnosperm

A

Maidenhair Tree

31
Q

Are Maidenhair Trees dioecious or monoecious?

A

dioecious

32
Q

Who cultivated Ginkgoes and kept the species alive

A

Buddhists in China

33
Q

Oldest tree in fossil record

A

Ginkgoes

34
Q

Ginkgoes produce _ sperm

A

swimming

35
Q

Female Ginkgoes produce fruit that _ and have _ seeds

A

smell foul, edible

36
Q

Ginkgoe leaves are processed for _, which some claim helps with _

A

Ginkgoba, circulation

37
Q

Phylum Cycadophyta common term

A

The Cycads

38
Q

Common term for Cycads on lawns

A

Sago Palms

39
Q

Number of Cycad species

A

140

40
Q

Cycad are located naturally in the _

A

tropics

41
Q

Cycad plants are _oecious

A

di

42
Q

Cycad produce large cone-shaped _

A

strobili

43
Q

Male Cycad Strobuli produce _, and female Cycad Strobuli produce _

A

pollen, ovule

44
Q

Cycad seeds are edible only after _

A

poison coat removed

45
Q

Phylum Gnetophyta another term

A

Gnetophytes

46
Q

number of Gnetophyta species

A

70

47
Q

Common species of Gnetophyta

A

Gnetum and Ephedra

48
Q

Genotphyte cones have similar life cycles and semblance to _

A

flowers

49
Q

Advanced Gymnosperms have efficient _

A

water transport

50
Q

tropical broad-leaved shrubs and vines, leaves resemble flowers

A

Gnetum

51
Q

_ Resemble horsetails but with jointed stems

A

Ephedra

52
Q

Ephedra is a type of _

A

Gnetophytes

53
Q

This plant use to make drug ephedrine

A

Ephedra

54
Q

uses of ephedrine

A

raises blood pressure and heart stimulant

Bio 2 (17 decks)

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