species and taxonomy Flashcards

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1
Q

define species

A

group of organisms that can interbreed to produce fertile offspring

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2
Q

what are the advantages of courtship behaviour

A

individuals can recognise sexually mature members of their own species of the opposite sex, synchronise mating, form a pair bond and successfully breed

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3
Q

define classification

A

process of arranging organisms into groups

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4
Q

name the eight groups an organism can be classified into, from largest to smallest

A

domain
kingdom
phylum
class
order
family
genus
species

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5
Q

what system is used to give species a universal name

A

binomial naming system

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6
Q

where are the two components to a binomial name

A

generic name = genus the organism belongs to. two closely related species will share the same genus.

specific name = the species the organism belongs to

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7
Q

how are binomial names handwritten

A

first letter of the generic name should be capitalised, with the rest in lowercase. the whole name should be underlined

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8
Q

what is phylogenetic classification

A

process of arranging organisms into groups based on their evolutionary origins and relationships

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9
Q

how can we clarify evolutionary relationships between organisms

A

analyse their molecular differences
advances in immunology/genome sequencing provide clear pictures of how related two organisms are

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