Taxonomy Flashcards

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1
Q

What are the seven levels of classification from most broad to most specific?

A
  1. ) Kingdom
  2. )Phylum
  3. )Class
  4. )Order
  5. )Family
  6. )Genus
  7. )Species
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2
Q

What are the 5 kingdom classification?

A
Monera 
Protista 
Plantae
Fungi 
Animalia
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3
Q

Monera

A

Bacteria and Archaea

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4
Q

Protista

A

Eukaryotic, single celled organisms

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5
Q

Plantae

A

Any plant, living or extinct

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6
Q

Fungi

A

Taxonomic kingdom including yeast, molds,smuts, mushrooms, and toadstools; distinct from the green plants

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7
Q

Animalia

A

Any animal, living or extinct

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8
Q

Archaea

A

Classes with eubacteria, archaea are now recognized as a third and separate brach of the phylogenetic tree, with the other two beaches being eubacteria and eukaryota.

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9
Q

Thermophiles

A

Archaea that can survive the extreme high temperatures found in hot springs or near undersea volcanic vents.

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10
Q

Mesophilic

A

Archaea prefer to survive in mild or moderate temperatures.

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11
Q

Psychrophiles

A

are Archaea that prefer extremely cold temperatures such as those found in the arctic.

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12
Q

Halophiles

A

are Archaea that thrive in high salt concentrations.

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13
Q

Alkaliphiles

A

are Archaea that truces in basic environments.

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14
Q

Acidophiles

A

are Archaea that thrives in acidic environment.

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15
Q

Lithotrophs

A

are Archaea that can use sulfur, methane, nitrogen, and ammonia for energy sources.

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16
Q

Phototrophs

A

Can use metabolize sunlight to produce energy.

17
Q

Methanogens

A

Form methane , anaerobic environment.

18
Q

(bacteria)

Gram-positive

A

bacteria stain purple because they absorb the purple stain applied to them.

19
Q

(bacteria)

Gram-negative

A

bacteria stain pink because they do not absorb the purple stain, but instead absorb the red counter-stain.

20
Q

(bacteria)

Peptidoglycan

A

Also known as murein, is a polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane of bacteria (bit not Archaea), forming the cell wall.

21
Q

Pilus

A

Bacterial pili are involved in cell adhesion. Specialized structures (called sex pili) have an important role in conjugation with another bacterial cell to exchange genetic information.

22
Q

NAMs and NAGs

A

The alternating units of the bacterial cell wall.

23
Q

Lipopolysaccharide (LPS)

A

Also known as lipoglycans, are large molecules consisting of a lipid and a polysaccharide. LPS is found in the outer membrane of Gram-negative bacteria, and acts as endotoxins to elicit strong immune responses in animals.

24
Q

(Kingdom Protista)

Sarcomastigophora

A
Includes sarcodines (using pseudopodia) and zoo flagellates (use flagella and absorb food through the cell membrane) 
Ex: Amoeba proteus and Trypanosoma
25
Q

Parts of Amoeba

A

Plasma membrane, nucleus, cytoplasm, pseudopodia, contractile vacuole , food vacuole.

26
Q

Trypanosoma

A

a parasitic zooflagellate that causes ( African Sleeping Sickness)

27
Q

Ciliophora

A

Characterized by the presence of hair-like organelles called cilia
Ex: Paramecium caudatum

28
Q

Parts of a Paramecium

A

Oral cavity,pellicle, cilia, contractile vacuoles (2), macronucleus, micronucleus

29
Q

Apicomplexa

A

Possess a unique organelle called APICOPLAST
and APICAL COMPLEX structure involved in penetrating a hosts cell.
Lack specialized locomotion structures
also lack organelles for taking in and digesting food
EX: Plasmodium Vivax