Chapter 29 & 30 Flashcards

1
Q

the spore is retained in the ___ and develops into the ___. so the ___ develops inside the ___.

A

sporophyte
gametophyte
gametophyte
sporophyte

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2
Q

single celled and very tough

A

spores

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3
Q

an embryo with a food supply and a protective coat

A

seed

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4
Q
  • produce megaspores
  • megaspores develop into the female gametophyte that contains the egg
  • it is a solid structure called the nucellus
A

Megasporangia

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5
Q
  • produce microspores

- microspores develop into male gametophytes (pollen grains) that contain sperm

A

Microsporangia

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6
Q

___ are sporophyte tissues

-the seed coat is derived from these

A

integuments

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7
Q

the combination of integuments, nucellus (megasporangium), and megaspore

A

ovule

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8
Q

once a pollen grain lands on an ___, it extends a ___ ___ into the ___ ___ fertilizing it

A

ovule
pollen tube
egg nucleus

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9
Q

seed plants are divided into two groups…

A

gymnosperms

angiosperms

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10
Q

___ means naked seeds

A

gymnosperm

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11
Q

phylum cycadophyta

  • the ___
  • have their naked seeks on special leaves (cones)
  • ___ plants
A

cyads

woody

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12
Q

phylum Ginkgophyta

  • the ___
  • only one living species Ginkgo biloba
  • many species during the time of the dinosaurs
  • has ___, ___ seeds
  • ___ male and female trees
A

ginkgos
fleshy, fruit-like
separate

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13
Q

phylum coniferophyta

  • the ___
  • ___ bearing plants
  • the largest phylum of ___
  • many species have needle-shaped leaves with thick ___ and stomata in pits that make them ___ resistant
  • they are ___ plants with ___ cells
A
conifers
cone
gymnosperms 
cuticles
drought
woody, lignified
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14
Q

conifers include the ___, an odd order of plants that were originally placed in their own phylum

A

Gnetales

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15
Q

means seed born in a vessel

  • the flowering plants
  • > 250,000 species
A

angiosperm

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16
Q
  • all flowering plants
  • all flowering plants were divided into two classes: monocots and dicots, now there are more
  • the 2 major classes are monocots and eudicots
A

anthophyta

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17
Q

___ include grasses, sedges, lilies, irises, palms, orchids, and others. flower parts in threes or multiples of three

18
Q

___ contains most of the old dicot, this includes roses, beans, oaks, maples, asters, buttercups, and many more. Flower parts in fours or fives or multiples of four or five

19
Q

the new classes of the phylum anthophyta (3)

A

water lilies
magnoliids and relatives
star anise and relatives

20
Q

___ ___ is the most “primitive” living flowering plant and belongs in a class by itself

A

amborella trichopoda

21
Q

xylem cells in angiosperms and gymnosperms that provide support and transport water

22
Q

xylem cells in most angiosperms

-A. trichopoda does not have these

A

vessel elements

23
Q

the ___ is the reproductive structure of flowering plants

24
Q

___ flowers are pollinated by animals

___ flowers are wind pollinated

A

showy

plain

25
are located at the bottom of the flower | -usually green, sometimes brightly colored
speals
26
located above the speals, often brightly colored
petals
27
___ is the male reproductive organ, it has two parts... (2)
stamen | filament and anther
28
___: a stalk ___: a terminal sac that produces pollen
filament | anther
29
- made up of one or more fused carpels | - the female reproductive organ
pistil
30
what are the 3 parts of the pistil
stigma style ovary
31
- terminal portion of the pistil | - sticky to receive pollen
stigma
32
tube shaped structure part of the pistil that connects to the stigma and the ovary
style
33
part of the pistil that contains the ovules that develop into seeds
ovary
34
flowering plants produce ___ which are mature ovaries. They help protect the seeds.
fruits
35
many fruits are fleshy and have ___ such as ___, these fruits attract animals and the animals distribute the seed in the fruits
nutrients | sugars
36
fruit derived from one ovary - the most common fruit - may be fleshy or dry - many variations
simple fruit
37
develop from a single flower with many carpels | -blackberry, strawberry
aggregate fruit
38
develop from an inflorescence (multiple flowers) | -pineapple, fig
multiple fruit
39
angiosperms and some Gnetales have ___ ___
double fertilization
40
the pollen grain contains 2 sperm nuclei, one fertilizes the egg forming the diploid zygote, the other fuses with 2 nuclei in the ___ ___ forming ___ ___
embryo sac | triploid nucleus
41
the triploid nucleus forms into the ___, the food supply of the seed
endosperm