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L.E > Diversity of Life > Flashcards

Diversity of Life Flashcards

1
Q

What is antheridium

A

The male sex organ of algae, mosses, ferns, fungi, and other nonflowering plants

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2
Q

What is Archegonium

A

The female sex organ in mosses, liverworts, ferns, and most conifers

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3
Q

What is conjugation

A

the process by which one bacterium transfers genetic material to another through direct contact

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4
Q

What is dikaryotic

A

Organisms that contain 2 genetically distinct cell nuclei in the same cell

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5
Q

What is diploid

A

A cell containing 2 complete sets of chromosomes (2n)

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6
Q

What is an embryophyte

A

any of a subkingdom (embryophyta) of plants which the embryo is retained within maternal tissue

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7
Q

What is gametangium

A

a specialized organ or cell in which gametes are formed in algae, ferns, and some other plants

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8
Q

What is a gamete

A

a mature haploid. An organism’s reproductive cells

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9
Q

What is a gametophyte

A

gamete producing, usually haploid

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10
Q

What is haploid

A

a cell containing a single set of unpaired chromosomes (n)

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11
Q

What is hypha

A

long branching structure of a fungus, main node of vegetative growth in most fungi

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12
Q

What is mycelium

A

a network of fungal threads or hyphae

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13
Q

What are rhizoids

A

protrusions that emerge from the bottom epidermal cells of bryophytes

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14
Q

What are sorus/sori

A

brownish/yellow cluster of spore producing structures (sporangia) usually located on lower surface of fern leaves

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15
Q

What is sporangium

A

a case where asexual spores and produced and stored

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16
Q

What is a spore

A

a cell that certain fungi, plants, and bacteria produce and is capable of development into a new individual either directly or after fusion with another spore

17
Q

What is a sporophyte

A

The diploid multicellular stage in the life cycle of a plant or algae which produces asexual spores

18
Q

What is a zygote

A

diploid cell from fusion of 2 haploid gametes

19
Q

What is zygosporangium

A

a sporangium in which zygospores are produced

20
Q

draw the life cycles of animals, plants, and fungi

A
21
Q

What are haustoria

A

modified hyphae tups that penetrate the host tissues to absorb nutrients

22
Q

What are the four groups of plants

A
  1. bryophytes
  2. seedless vascular plants
  3. gymnosperms
  4. angiosperms
23
Q

describe adaptations that contributed to success of each of the 4 major plant groups

A
24
Q

Describe fertilization in C Ferns

A

L.E (9 decks)

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