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Botany > 2nd Set > Flashcards

2nd Set Flashcards

0
Q

Differences with sporophyte and gametophyte

A

Sporophyte: long lived/ dominant stage
Gametophyte: short lived

Stages are completely seperate

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1
Q

What are the four types of spore bearing vascular plants?

A

Club mosses
Quillworts
Ferns and
Horsetails

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2
Q

Do they have seeds? Spores? Flowers? Fruit?

A

They only have spores

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3
Q

What are the male parts called?

Female?

A

Antheridium

Archegonium

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4
Q

3 Adaptations

A

Proper xylem and phloem
Evolution of true leaves
True roots

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5
Q

4 phyla

A

Fern
Whisk fern
Horsetail
Lycophyte: club mosses and quillworts

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6
Q

In ferns where are the spores located

What are these called

A

Underside of leaf

Sori

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7
Q

Uneven thickenings which causes line of weakness, breaks and catapults spores

A

Annulus

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8
Q

Leaf stalk

A

Rachis

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9
Q

When young ferns are curled

A

Crozier

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10
Q

Gymnosperms produce

A

Seeds, not flowers

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11
Q

What are coleochaete and charophtes?

A

Algae that are particularly related to land plants

  • cells that resemble parenchyma
  • similarities in cell division
  • protective covering around zygote
  • lignin-like compound
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12
Q

Soil just under topsoil

A

Subsoil

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13
Q

What are bands of soils called

A

Letter horizons

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14
Q

What is loan

A

Silty soil

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15
Q

Good soil does what ?

A

Crumples in your hands because of agrogates

16
Q

3 main threats to biodiversity

A

Poaching
Over hunting
Habitat loss
Envasive species (American ginsing)

17
Q

What percent will be extinct in our life time ?

A

20%

18
Q

What are diverse and threatened biomes

A

Global hot spots

19
Q

What are we sitting in

A

Temperate forest

20
Q

What biome is ohio

A

Temperate grassland

21
Q

Environmental gradient that seperates biomes is what?

A

Precipitation

22
Q

What is produced by pollen grains in anther?

A

Microgametophyte

Botany (3 decks)

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