Biology - Classification

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Kingdom
The first rank in the classification system.
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Phylum
The second rank in the classification system
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Class
The third rank in the classification system
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Order
The fourth rank in the classification system
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Family
The fifth rank in the classification system
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Genus
The sixth rank in the classification system
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Species
The seventh rank in the classification system
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Organisms
The third rank in the classification system
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Multicellular
a form of life composed of mutually interdependent parts that maintain various vital processes.
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Characteristics
Features that an organism has. these can be either unique to a species or unique to a larger group.
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Animalia
the taxonomic kingdom comprising all animals.
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Plantae
the taxonomic kingdom comprising all plants
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Fungi
the taxonomic kingdom comprising all fungi
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Protoctista
A taxonomic kingdom consisting of unicellular protists and their descendant multicellular organisms.
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Prokaryotes
any cellular organism that has no nuclear membrane. (Bacteria and Blue-Green algae)
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Vertebrates
Animals which have a backbone or spinal column
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Classification
groups into which all living things are places according to their characteristics. The main groups are called kingdoms (there are five of these). The smallest subdivision is a species (there are millions of these).
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Homeotherms
Maintains own temperature
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Poikilotherms
Temperature varies with surroundings
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Oviparous
Lays eggs
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Viviparous
give birth to live young
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Fish
vertebrate, gills, external fertilisation, oviparous, poikilotherm
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Amphibian
vertebrate, some lungs or gills, external fertilisation, oviparous, poikilotherm
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Reptile
vertebrate, lungs, internal fertilisation, oviparous, poikilotherm
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Bird
vertebrate, lungs, internal fertilsation, oviparous, homeotherm
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Mammal
vertebrate, lungs, internal fertilsation vivaparous, homeotherm
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Species
a class of related, living organisms which are able to breed and produce fertile offspring.
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Interbreed
to crossbreed ( a plant or animal)
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Offspring
descendants, children or young of a particular parent
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Variation
differences between individuals of the same species
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Hybridisation
closely related species breed to produce offspring that have characteristics of both – the hybrids are often infertile
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Ring Species
neighbouring populations of species may have slightly different characteristics but can still interbreed as part of a chain but the two ends of the chain can’t interbreed.
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Other cards in this set

Card 2

Front

The second rank in the classification system

Back

Phylum

Card 3

Front

The third rank in the classification system

Back

Preview of the back of card 3

Card 4

Front

The fourth rank in the classification system

Back

Preview of the back of card 4

Card 5

Front

The fifth rank in the classification system

Back

Preview of the back of card 5
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Comments

Swallowtail

An essential list of the key terms in the classification topic found in the Edexcel specification for GCSE biology. These  cards would also be useful for other students studying classification. Team these up with a quiz to further check your understanding.

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