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Plant Biology Exam 2 > Systematics > Flashcards

Systematics Flashcards

1
Q

Biodiversity

A

the variety of life on earth at all its levels, genes to ecosystems, and the ecological and evolutionary processes that sustain it

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2
Q

Taxonomy

A

Naming of organisms

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3
Q

Systematics

A

methods to organize and classify organisms into related groups using evolutionary relationships

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4
Q

phylogeny

A

hypothesis to the evolutionary relationships among organisms

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5
Q

monophyletic group

A

includes the most recent common ancestor of the group and all of its descendants (clade)

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6
Q

paraphyletic group

A

includes the most recent common ancestor of the group, but not all its descendants

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7
Q

Kingdom Fungi

A
  • Eukaryotic, multicellular absorbers
  • nonmotile, filamentous
  • lack plastids
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8
Q

Protists

A
  • unicellular, colonial, simple multicellular
  • protozoa, algae, water molds
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9
Q

Kingdom Plantae

A
  • Eukaryotic, multicellular photosynthesizers
  • alternation of generations
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10
Q

Mitosis

A

n -> n
Haploid to haploid
2n -> 2n
Diploid to diploid

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11
Q

Meiosis

A

2n -> n
Diploid to haploid

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12
Q

Fertilization to form zygote

A

n + n = 2n
egg + sperm = zygote

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13
Q

Mosses

A

Gametophyte is dominant, sporophyte is attached to gametophyte

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14
Q

Ferns

A

Sporophyte is dominant, gametophyte is independent of sporophyte

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15
Q

Gymnosperms

A

Sporophyte is dominate, female gametophyte contained within ovulate cone on sporophyte, male gametophyte is dispersed in pollen grain

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16
Q

angiosperms

A

Sporophyte is dominate, female gametophyte contained within ovulate of flower on sporophyte, male gametophyte is dispersed in pollen grain

17
Q

what came first chloroplast or mitochondria?

A

mitochondria

18
Q

Serial endosymbiotic theory

A

concept of origin of mitochondria and chloroplasts

19
Q

endosymbiont

A

an organism that lives within another, dissimilar organism

20
Q

Why is it called serial endosymbiosis?

A

the events did not occur simultaneously

Plant Biology Exam 2 (2 decks)

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