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Bio 1 > Unit 2 > Flashcards

Unit 2 Flashcards

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Biology 101 flashcards
1
Q

What is the difference between taxonomy and phylogeny?

A

Taxonomy is based on comparative biology (physical properties/ morphology) while phylogeny is based on molecular similarities

Taxonomy is grouped into taxons while phylogeny is grouped into clades

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2
Q

What are the different taxons from most inclusive to least inclusive?

A

DID KING PHILIP CROSS OCEANS FOR GOOD SPICES?
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

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3
Q

How can you define species?

A

They are able to breed among themselves and produce fertile offsprings

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4
Q

How do you write the binomial system of nomenclature?

A

Genus species
Underlined to show italics/latin

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5
Q

What is the history of classification?

A

2 kingdoms: plantae and animalia -Linnaeus
5 kingdoms: Monera, protista, fungi, plantae, animalia- Whittaker
6 kingdoms: Eubacteria, Archaebacteria, fungi, protista, plantae and animalia- Woese

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6
Q

What are the three domains in Woeses phylogeny? What do they represent?

A

Bacteria: common bacteria
Archae: odd bacteria
Eukarya: everything else

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7
Q

What are the 3 domains distinguished by?

A

Cell type
Cell size
Cell wall composition
Degree of cellularity
Structure of DNA
Reproduction

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8
Q

What are the characteristics of Domain Bacteria

A

-prokaryotic cell
-no nucleus
-smaller than 10 microns
-uses binary fission to reproduce
-has peptidoglycan in cell wall
-unicellular

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9
Q

What are the characteristics of Domain Archaea

A

-prokaryotic cell
-no nucleus
-smaller than 10 microns
-uses binary fission to reproduce
-no peptidoglycan in cell walls
-unicellular

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10
Q

What are the characteristics of Domain Eukarya

A

-eukaryotic cell
-has a nucleus
-between 10 to 100 microns
-unicellular and multicellular
-no binary fission:sexual or asexual
-no peptidoglycan in cell wall

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11
Q

What fixations does domain bacteria have?

A

Nitrogen and carbon fixations

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12
Q

What does extremophiles mean?

A

Favor extreme conditions: found in domain Archaea

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13
Q

What are the characteristics of Kingdom Protista

A

-complex single cell/multicellular
-absorb, produce or ingest food

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14
Q

What are the characteristics of Kingdom Fungi?

A

-Specialized complex unicellular/multicellular
-absorb food

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15
Q

What are the characteristics of Kingdom Plantae?

A

-specialized complex multicellular forms
-produce food

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16
Q

What are the characteristics of Kingdom Animalia?

A

-specialized complex multicellular forms
-ingest food

17
Q

Are fungi heterotroph or autotrophs?

A

Heterotrophs

Bio 1 (13 decks)

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