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Biology 151 > SPO5: Plant Diversity II > Flashcards

SPO5: Plant Diversity II Flashcards

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1
Q

Naked Seed

A

Gymnosperm.

Seed not surrounded by ovule

Redwoods firs, pines, cycads, junipers, conifers, etc.

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2
Q

The flowering plants

A

Angiosperms

Multiple agents of pollination (air, water, other animals,)

An ovary houses the ovule in a fruit

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3
Q

A dormant embryo embedded in nutritive tissue

A

Seed

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4
Q

The nutritive tissue of the seed that acts as a food storage for the developing plant embryo, usually containing starch with protien and other nutrients.

A

Endosperm

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5
Q

Found in the pollen grain produces the sperm

A

Male gametophyte

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6
Q

Held in the ovule of the sporophyte, produces the egg

A

Female gametophyte

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7
Q

Dominant stage of life for seed plants

A

Sporophyte

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8
Q

Develops in the gametophyte

A

Embryonic sporophyte

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9
Q

Seed housed in a mature ovary

A

Fruit

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10
Q

houses male and female components

A

Flower

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11
Q

Has microsporangium which produces microspores, which produces sperm

A

Anther

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12
Q

Produces megasporangium which produces the egg

A

Ovule

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13
Q

What kind of gymnosperm are these?

A

Conifers

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14
Q

What kind of gymnosperm are these?

A

Cycads

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15
Q

What kind of gymnosperm is this?

A

Ginko

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16
Q

Produced by pollen grain. Releases sperm nucleus to fuse with egg nucleus.

A

Pollen Tube

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17
Q

What type of gymnosperm is this?

A

Gnetophyte

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18
Q

Contains ANTHER and FILAMENT. Male portion of the flower.

A

Stamen

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19
Q

A, G, and E form what structure?

A

The Pistil (or carpel), the female part of the flower

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20
Q

A

A

Stigma

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21
Q

BETWEEN A and G?

A

Style

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22
Q

G

A

Ovary

23
Q

B

A

Anther

24
Q

H

A

Filament

25
Q

B and H

A

Stamen

26
Q

C

A

Petal (Corolla)

27
Q

D

A

Sepal (collectively: Calyx)

28
Q

E

A

Receptacle

29
Q

F

A

Pedicel

30
Q

Forms from a single flower, with 1 carpal.

A

SIMPLE Fruit.

Peach, pea

31
Q

Forms from a single flower with more than 1 carpal. tiny fruits fused.

A

AGGREGATE Fruit.

Blackberry

32
Q

Forms from more than one flower, fused.

A

MULTIPLE

Pomegranite, pineapple, dates

33
Q

Form from ovary and the pedicle

A

ACCESSORY

Strawberries, apple

34
Q

AGREGATE and MULTIPLE fruts are collectively referred to as:

A

COMPOUND fruits

35
Q

Key to Pollination:

Sepals and petals reduced or inconspicuous; feathery or relatively large stigma; flower with no color

A

WIND

36
Q

Key to Pollination:

Sepals and/or petals large, easily identified; stigma not feathery; flower with or withour odor

Odor strong, heavy, sweet

A

MOTH

37
Q

Key to Pollination:

Sepals and/or petals large, easily identified; stigma not feathery; flower with or withour odor

Odor strong, fermenting or fruitlike; flower parts and pedicle strong

A

BAT

38
Q

Key to Pollination:

Sepals and/or petals large, easily identified; stigma not feathery; flower with or withour odor

Odor of sweat, feces, or decaying meat

A

FLY

39
Q

Key to Pollination:

Sepals and/or petals colored; odor may or may not be present.

  1. Flower shape irregular; sepals or petals blue, yellow or orange; petal adapted to serve as a “landing platform”; may have dark lines on petals; sweet, fragrant odor
A

BEE

40
Q

Key to Pollination:

Sepals and/or petals colored; odor may or may not be present.

  1. Flower shape regular; odor often fruity, spicy, sweet, or carrionlike
A

BEETLE

41
Q

Key to Pollination:

Sepals and/or petals colored; odor may or may not be present.

Flower shape tubular; strong sweet odor

A

BUTTERFLY

42
Q

Key to Pollination:

Sepals and/or petals colored; odor may or may not be present.

Flower shape tubular, Little or no odor; flower usually red

A

HUMMINGBIRD

43
Q

The three layers surrounding a seed (collectively)

A

Pericarp

44
Q

The three layers surrounding a seed (individually) from innermost to outermost

A

endocarp

mesocarp

exocarp

45
Q

Key to Fruits:

  1. Dry fruits
  2. Fruits with one seed
  3. Ovary wall and seed coat are fused
A

ACHENE

(In the grass family, an achene is called a GRAIN)

This fruit is INDEHISCENT

i.e. Sunflower

46
Q

Key to Fruits:

  1. Dry fruits
  2. Fruits with one seed
  3. Ovary wall hard or woody but can be separated from seed
A

NUT

This fruit is INDEHISCENT

i.e. Walnut, Hazelnut

47
Q

Key to Fruits:

  1. Dry fruits
  2. Fruits with two to many seeds
  3. Ovary with several cavities (seen when cut in cross section) and several to many seeds
A

CAPSULE

This fruit is DEHISCENT

i.e. Cotton, Poppy

48
Q

Key to Fruits:

  1. Dry fruits
  2. Fruits with two to many seeds
  3. Mature ovary opens aling BOTH SIDES
A

LEGUME

This fruit is DEHISCENT

i.e. Beans, Peas

49
Q

Key to Fruits:

  1. Dry fruits
  2. Fruits with two to many seeds
  3. Mature ovary opens along ONE SIDE
A

FOLLICLE

This fruit is DEHISCENT

i.e. Brazil nuts, Milkweed

50
Q

Key to Fruits

  1. Fleshy Fruits
  2. Ovary with one seed, which is surrounded by a very hard stone (outer covering of the seed is formed from the inner ovary wall)
A

DRUPE

i.e. Plum, Peach

51
Q

Key to Fruits

  1. Fleshy Fruits
  2. Ovary with many seeds; does not have a “stone”.
  3. All mature ovary tissue is soft and fleshy; surrounding flower tissue does not develop into fruit.
A

BERRY

i.e. Tomato, Grapes

52
Q

Citrus family

A

Hespiridium

53
Q

Squash family

A

pepo

54
Q

Key to Fruits

  1. Fleshy Fruits
  2. Ovary with many seeds, does not have a “stone”.
  3. Fleshy fruit develops in part from surrounding tissue of the flower (base of sepals and petals): therefore, ovary wall seen as “core” around seeds
A

POME

i.e. Apples, Pears

Biology 151 (15 decks)

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