Ch_23B_Gymnosperms Flashcards Preview

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Flashcards in Ch_23B_Gymnosperms Deck (54)
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1

1st trees

Gymnosperm

2

1rst tree with flying sperm aka pollen

Gymnosperm

3

Naked Seed

no protective ovary

4

number of Gymnosperm tree and shrub species

760

5

number of Gymnosperm conifer species

550

6

Gymnosperm resin use

insect resistance

7

Gymnosperms have highly developed _ and _ tissues

root, stem

8

Gymnosperm groups/phyla

Conifers, Ginkgoes, Cycads, Gnetophytes

9

Phlyum Confierophyta common word

Conifer

10

Redwood type

Conifer

11

Pine type

Conifer

12

Fir type

Conifer

13

Juniper type

Conifer

14

Cypress type

Conifer

15

Redwood type

Conifer

16

largest tree species

Sequoia

17

Do Conifers have needles or leaves

needles

18

Monoecious

male and female on same individual plant

19

Are conifers monoecious or diecious?

monoecious

20

Largest Living Thing On Earth

The Gerenal Sherman Tree, a Sequoia Conifer

21

Conifer that grows in swamps

Cypress trees

22

Microspores common term

pollen

23

Where do pollen develop on Gymnosperms

male cones

24

After pollen release, the male cones _

die

25

Megaspores common term

eggs

26

Where do megaspores form on Gymnosperms

female cones

27

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

3 years

28

Only tree in Ginkgophyta

Ginkgoes

29

Ginkgoes common name

Maidenhair Tree

30

The only deciduous Gymnosperm

Maidenhair Tree