Biodiversity Flashcards

1
Q

Define species

A

group of similar organisms that can breed to produce fertile offspring

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2
Q

What is the name of the system used to name organisms?

A

binomial system

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3
Q

Who created the binomial system?

A

Carl Linnaeus

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4
Q

What are the two components of the binomial system?

A

Generic name and specific name

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5
Q

What are the rules when writing a binomial system name?

A

Generic= capital letter
specific=lower case

name in italics or underlined

if specific name is unknown then ‘sp’ is used

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6
Q

What does courtship behaviour allows individuals to do?

A
recognize members of their own species 
identify a mate that is capable of breeding
form a pair bond
synchronise mating
become able to breed
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7
Q

Define Phylogenetic Classification

A

the grouping of organisms based on evolutionary origins and relationships

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8
Q

Define Taxonomy

A

biological classification

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9
Q

Name the 2 types of classification

A

artificial and phylogenetic

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10
Q

Define Artificial classification
give an example
what does artificial classification show?

A

dividing organism by useful differences at the time

eg colour,number of legs, leaf shape]
shows analogous characteristics ( same function dif. evolutionary origin)

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11
Q

Define analogous characteristic

A

same function dif. evolutionary origin

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12
Q

Define homologous characteristic

A

similar evolutionary origins regardless of their function

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13
Q

Name the mnemonic used to remember the taxons

A
Delicious
King
Prawn
Curry
Or
Fat
Greasy
Sausages
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14
Q

What are the corresponding taxons

Delicious
King
Prawn
Curry
Or
Fat
Greasy
Sausages
A
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
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15
Q

What are the three categories of Domain?

A

Bacteria
Archaea
Eukarya

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16
Q

What are bacteria?

A

single celled prokaryotes

17
Q

What are Archaea?

A

single celled prokaryotes

18
Q

What are Eukarya?

A

group of organisms made up of one or more E cells

19
Q

What is phylogeny?

A

shows the evolutionary relationships between organism

shown by phylogenetic tree

20
Q

What are the sources of evidence for species?

A

DNA
fossil records
homologous features
evolutionary history

21
Q

What is genera?

A

genus

22
Q

What do they mean by hierarchical?

A

larger groups containing smaller groups

23
Q

Why is using fluorescent markers on insects the measuring population size a good idea?

A

ensures no loss to predation as the mark is only visible in UV light

24
Q

When measuring a population size what do you have to assume?

A

the birth rate= death rate

no immigration