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Classification, Variation and Inheritance_1
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Mind Map on Classification, Variation and Inheritance_1, created by Ammarah on 15/11/2013.
Mind Map by
Ammarah
, updated more than 1 year ago
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Ammarah
almost 11 years ago
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Ammarah
almost 11 years ago
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Resource summary
Classification, Variation and Inheritance_1
Classification
grouping things by their characteristics or features
Kingdom
Animals -multicellular -no cell wall -no chlorophyll -hetrotrophic
Plants -multicellular -cell walls -chlorophyll - autotrophic
Fungi -multicellular -cell walls -no chlorophyll -digest food outside the body (saprophytically)
Protoctista -unicellular -nucleus
Prokaryotae - unicellular -no nucleus
Phylum
class
Order
Family
Genus
species
Vertebrates and Invertebrates
vertebrates-animals with backbones
fish-exchange oxygen and carbon dioxide through gills, lay eggs fertilised externally
amphibians-exchange gases through their moist skin, lay external fertilised eggs
reptiles and birds- exchange gases through lungs, lay internally fertilised eggs
mammals-give birth to live young, eggs are fertilised internally
Species
organisms that can breed together to produce fertile offspring can be asexual or sexual reproduction
some species can breed with other species to produce hybrids which are sometimes sterile or infertile
Binomial Classification
every species has a unique binomial name
useful as everyone knows exactly what species you mean without confusion
genus name tells you what other species it is closely related to
allows scientist to communicate about the thousands of species easier
recognise areas of low biodiversity which need protection
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