Kingdom Plantae Flashcards

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1
Q

The polymer that plant cell walls are reinforced with

A

Lignin

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2
Q

5 traits derived of all land plants

A

Apical meristem
Alteration of generations
Multicellular dependent embryos
Multicellular gametangia
Walled spores made in sporangia

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3
Q

The pores on leaves to allow gas exchange

A

Stomata

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4
Q

Because dependent embryos is such a big derived traits of plants, plants are also known as…

A

Embryophytes

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5
Q

Female gametangia are called

A

Archegonia

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6
Q

Male gametangia are called

A

Antheridia

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7
Q

One major way to distinguish groups of plants is whether or not they have…

A

Vascular tissue

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8
Q

Nonvascular plants are informally called

A

Bryophytes

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9
Q

Club mosses and their relatives are called

A

Lychophytes

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10
Q

Ferns and their relatives are called

A

Monilophytes

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11
Q

The point at the top of a plant or tip of a root that grows in length

A

Apical meristem

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12
Q

Nonvascular plants include

A

Liverworts
Mosses
Hornworts

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13
Q

Seedless vascular plants include

A

Lycophytes (eg. Club mosses)
Moilophytes (eg. Ferns)

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14
Q

Seed plants include

A

Gymnosperms and angiosperms

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15
Q

The “roots” than anchor non vascular plants (eg. Mosses)

A

Rhizoids

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16
Q

A waxy coating on top of the epidermis. Name and what does it do?

A

Cuticle
Protects from water-loss

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17
Q

Ecological and economic impact of mosses?

A

Deposits of partially decayed organic matter.
May help keep nitrogen in soil.
Live in diverse places.

18
Q

5 main traits in vascular plants but not in non-vascular?

A

Trasport with xylem and phloem
Evolution of roots
Evolution of leaves

19
Q

Small leaves with only one strand of vascular tissue

A

Microphylls

20
Q

Big leaves with branching vascular tissue

A

Megaphylls

21
Q

Modified leaves with sporangia on them

A

Sporophylls

22
Q

Clusters of sporangia is called

A

Sori

23
Q

Group of sporophylls in a cone-like shape

A

Strobili

24
Q

What group has microphylls?

A

Lycophytes

25
Q

Rolled up young fern leaf is called

A

Fiddlehead

26
Q

Ferns have special leaves with sporangia, what are they called?

A

Sporophylls

27
Q

Advantages of reduced gametophytes

A

Gametophytes can develop in sporangia, sporangia protects gametophytes from environment.

28
Q

Parts of seed? (Outer to inner)

A

Seed coat
Spore wall
Food supply (from female gametophyte)
Embryo (2n)

29
Q

Advantages of the seed over non seed plants?

A

Can stay dormant for much longer and have longer lifetimes, has a food supply.

30
Q

4 phylums of gymnosperms?

A

Cyadophyta
Ginkophyta
Gnrtophyta
Coniferophyta

31
Q

Phylum cyandophyta

A

Fern-like gymnosperm
Flagellated sperm

32
Q

Phylum ginkophyta

A

One species
Flagellated sperm

33
Q

Phylum Gnetophyta

A

Diverse in appearance
Deserts or tropics

34
Q

Phylum Coniferophyta

A

Evergreen trees!
Largest gymnosperm phylum
Pines or scaly leaves

35
Q

Why did gymnosperms spread further into land and in arid places?

A

Good in arid climates. Small surface area and thick cuticles on needles.

36
Q

All angiosperms are I’m the phylum…

A

Anthophyta

37
Q

Key adoptions of flowing plants?

A

Flowers and fruit. Pollination and dispersal.

38
Q

Two groups of angiosperms?

A

Monocot, eudicot

39
Q

Eudicot meaning?

A

“True dicot”

40
Q

Monocot and eudicot names are based on the number of…

A

Cotyledons