Bio 1011 Chapter 30 Flashcards

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1
Q

Ascocarp

A

The fruiting body of a sac fungus (ascomycete)

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2
Q

Chitin

A

a polysaccharide within the cell walls of hyphae that also make up the exoskeleton of insects, crustaceans, and other arthropods

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3
Q

ovary

A

paired organs that produce mature ovum

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4
Q

Eudicot

A

flower parts are in fours or fives, have two embryonic seed leaves, or cotyledons

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5
Q

micropyle

A

The micropyle is the small hole in the seed which shows where the pollen tube went into the ovaries.

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6
Q

Fruit

A

An organ that develops from the ovary of a flowering plant and contains one or more seeds.

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7
Q

Integument

A

Layer of sporophyte tissue that contributes to the structure of an ovule of a seed plant.

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8
Q

Spore

A

An asexual reproductive structure that can develop into an adult found in certain protists (algae), plants, and fungi

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9
Q

Zigomycete

A

A member of a fungal, characterized by the formation of a sturdy structure called a zygosporangium during sexual reproduction

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10
Q

cross-pollination

A

a reproductive process in which pollen from one plant is transferred to the stigma of another plant .

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11
Q

seed

A

sporophyte embryo and its food source packaged in a protective coat

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12
Q

sepals

A

green, leaflike part of the plower that covers and protects the flower bud before it opens

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13
Q

flower

A

reproductive organ of angiosperm plants especially one having showy or colorful parts

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14
Q

petals

A

brightly colored structure just inside the sepals; attracts insects and other pollinators to a flower

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15
Q

stamen

A

male part of the flower; made up of an anther and a filament

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16
Q

carpel (pistil)

A

the female reproductive organ of a flower, consisting of the stigma, style, and ovary.

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17
Q

filament

A

the stalk of a stamen that supports the anther

18
Q

style

A

the narrow elongated part of the pistil between the ovary and the stigma

19
Q

ovary

A

a structure containing egg cells; the base of a pistil in a flower

20
Q

anther

A

pollen producing structure located at the tip of a flower’s stamen

21
Q

Conifers

A

Gymnosperms
Naked seeds (no ovary)
Seeds Cones (pollen, seed)
Wind pollinated

22
Q

haustoria

A

is specialized hyphae that form symbiosis with host and exchanges (mutualistic) or extracts (parasitic) nutrients

23
Q

cotyledons

A

A seed leaf an angiosperm embryo. Some species have one cotyledon, others two

24
Q

mycorrhiza

A

special symbiotic relationship between fungus and plant root.

25
Q

complete flowers

A

has sepas petals stamens and pistils

26
Q

sporangium

A

structure in ferns and some fungi that contains spores

27
Q

Heterokaryon

A

A fungal mycelium that contains two or more haploid nuclei per cell.

28
Q

double fertilization

A
  • one sperm unites with egg to become zygote, which becomes embryo
  • one sperm unites with 2 female cells to form the 3n endosperm
  • the intugements develop into seed coat
  • the ovary develops into the fruit
29
Q

dormancy

A

is a condition where seeds will not germinate even when the environmental conditions are permissive for germination

30
Q

Yeast

A

Yeast leavened doughs rise and increase in volume due to the action of what?

31
Q

incomplete flowers

A

missing one part ( sepals, petals, stamens, or pistils

32
Q

perfect flower

A

has stamen and pistil

33
Q

imperfect flower

A

has either a stamen or pistil ( not both)

34
Q

ovule

A

In seed plants, a structure that contains the female gametophyte and has the potential to develop into a seed.

35
Q

pollen grains

A

what microspores develop into; contain the male gametophytes of seed plants; protected by a tough coat can be carried away from their parent plant by the wind or hitchhiking on other moving organisms

36
Q

monocots

A

species with one cotyledon; typically have parallel leaf veins; examples include orchids, palms, and grain crops

37
Q

Zygosporangium

A

Thick-walled reproductive structure formed from the fusion of the cytoplasm of the mycelia of two neighboring fungi.

38
Q

Endosperrm

A

In angiosperm, a nitrient-rich tissue formed by the union of a sperm with two polar nuclei during double fertilization, The endorsperm provides nourishiment yo developing embryo.

39
Q

Embryo sac

A

The female gametophyte of angiosperms, formed from the growth and division of the megaspore into a multicellular structure that typically has eight haploid nuclei.

40
Q

pollination

A

transfer of pollen from anther to stigma

41
Q

dicot

A

leaves have branching veins
roots are tap
flower petals in multiples of 4 or 5
(slides) palisade layer present

42
Q

stigma

A

Collects the pollen