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Chapter 10 - classification > classification > Flashcards

classification Flashcards

1
Q

Define classification

A

name given to process by which organisms are sorted into groups

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2
Q

What are hierarchical classification often referred as ?

A

Linnaean classification

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3
Q

Why do scientists classify organisms ?

A

1) identify species

2) predict characteristics 3) find evolutionary links

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4
Q

State the three domains

A

Bacteria
Archaea
Eukarya
BAE

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5
Q

Define species

A

Group of organisms that can reproduce fertile offspring

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6
Q

What is the naming system used for organisms ?

A

binomial nomenclature

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7
Q

How are species named ?

A

Genus species

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8
Q

Name the 5 kingdoms

A

Triple P
Fungi
Animalia

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9
Q

Are prokaryotes unicellular or multicellular ?

A

unicellular

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10
Q

Which kingdoms are multicellular?

A

Fungi
plants
animals

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11
Q

Which kingdoms are unicellular ?

A

fungi
prokaryotes
protoctista

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12
Q

Which is the only kingdom that doesn’t have membrane bound organelles/nucleus ?

A

prokaryotes

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13
Q

How do prokaryotes get their nutrients ?

A

absorbed through cell wall

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14
Q

How do protoctista get their nutrients ?

A

photosynthesis
ingestion of other organisms

autotrophic
heterotrophic

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15
Q

How do fungi get their nutrients ?

A

saprophytic

absorption of decaying material

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16
Q

Which kingdoms have some chloroplasts ?

A

Protoctista

17
Q

Which kingdoms store food as gylcogen ?

A

fungi , animals

18
Q

How do protoctista move ?

A

some immobile

or move by cilia , flagella

19
Q

How was the three domain system developed ?

A

differences in the sequence of nucleotides in cells ribosomal RNA

cells lipid structure

20
Q

How size ribosomes does Eukarya have ?

A

80s ribosomes

21
Q

What size ribosomes do Archaea / bacteria have ?

A

70s

22
Q

In Woese’s system what is prokaryotes divided into ?

A

Eubacteria

Archeabacteria

23
Q

How many kingdoms are in woeses system ?

A

6

24
Q

What is archaebacteria ?

A

ancient bacteria

extreme environments

25
Q

What is eubacteria ?

A

true bacteria

all environments

26
Q

What is phylogeny ?

A

evolutionary links between organisms

27
Q

What can phylogeny be done without ?

A

Linnaean classification

28
Q

Why is it beneficial phylogeny is a continuous tree rather than discrete taxonomical groups ?

A

not forced to put organisms unto specific groups they don’t belong to

29
Q

Why is Linnaean classification misleading ?

A

implies different groups with same rank are equivalent

30
Q

What is evolution ?

A

theory of how organisms change over time as a result of natural selection

31
Q

What are fossils ?

A

animals and plant remains are preserved in rocks

Chapter 10 - classification (1 decks)

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