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Biology AS > Unit 2: Clasification > Flashcards

Unit 2: Clasification Flashcards

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0
Q

What is a species

A

Organisms which are similar to each other and capable of breeding to produce fertile offspring

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1
Q

What is classification?

A

The arrangement of organisms into groups

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2
Q

What is phylogeny?

A

The classification of organisms focusing on physical similarities

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3
Q

What is taxonomy?

A

Classification by using evolutionary relationships

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4
Q

What is DNA hybridisation

A

Went two organisms’ DNA is fused together by hydrogen bonds to see how similar they are

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5
Q

What is amino acid sequencing?

A

When scientists look at the sequencing of the amino acids to see how closely related organisms are

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6
Q

What are immunological comparisons?

A

When scientists look at the antibodies in different organisms to see how similar they are

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7
Q

What is courtship?

A

Selecting a mate before reproducing

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8
Q

How many groups are in the taxonomy hierarchy?

A

Seven

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9
Q

What is the first group in the taxonomy hierarchy

A

Kingdom

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10
Q

What is the second group in the taxonomy hierarchy

A

Phylum

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11
Q

What is the third group in the taxonomy hierarchy

A

Class

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12
Q

What is the fourth group in the taxonomy hierarchy

A

Order

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13
Q

What is the fifth group in the taxonomy hierarchy

A

Family

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14
Q

What is the sixth group in the taxonomy hierarchy

A

Genus

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15
Q

What is the last group in the taxonomy hierarchy

A

Species

16
Q

During DNA hybridisation which bonds will form between the bases?

A

Hydrogen

17
Q

During DNA hybridisation will it take more or less heat to break the bonds of DNA that are similar

A

More

18
Q

What are proteins made of?

A

Amino acids

19
Q

Related organisms have similar amino acids sequences. True or false?

A

True

20
Q

What do immunological comparisons use to determine how similar to proteins are?

A

Antibodies

21
Q

What do antibodies do to proteins

A

They bind them

22
Q

Similar proteins from different organisms will bind the to the same antibodies. True or false

A

True

23
Q

How is an organism names by the binomial system?

A

Genus species

Biology AS (11 decks)

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