B1.1 Biology - Key Words

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Animals
Heterotrophs, multicellular, no chlorophyll or cell wall
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Plants
Autotrophs, multicellular, have chlorophyll and cell wall
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Fungi
Saprophytes, multicellular, have cell wall but no chlorophyll
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Protoctists
Unicellular, have nucleus
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Prokaryotes
Unicellular, no nucleus
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Autotrophs
Can make their own food e.g. by photosynthesis
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Heterotrophs
Unable to make their own food
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Saprophytes
Feed off dead organisms and decaying material
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Vertibrates
Animals with a spine and internal skeleton
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Invertibrates
Animals with no spine or internal skeleton
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Oviparous
Lays eggs
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Viviparous
Gives birth to live young
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Homeotherms
Able to control it's own internal body temperature
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Poikilotherms
It's internal body temperature is controlled by the environment
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Binomial system
Gives each species a two part name. The first part refers to the genus and the second part refers to the species
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Continuous variation
No distinct categories e.g. height
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Discontinuous variation
Distinct categories e.g. blood group
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Natural selection
Survival of the fittest
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Speciation
Development of a new species
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Allele
Different versions of the same gene
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Homozygous
Two alleles for a particular gene that are the same
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Heterozygous
Two alleles for a particular gene that are different
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Genotype
What allele you have
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Phenotype
The actual characteristic
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Other cards in this set

Card 2

Front

Autotrophs, multicellular, have chlorophyll and cell wall

Back

Plants

Card 3

Front

Saprophytes, multicellular, have cell wall but no chlorophyll

Back

Preview of the back of card 3

Card 4

Front

Unicellular, have nucleus

Back

Preview of the back of card 4

Card 5

Front

Unicellular, no nucleus

Back

Preview of the back of card 5
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