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I/GCSE Biology - Species and Binomial Classification

Edexcel Species and Binomial Classification

· igcse biology,gcse biology,species,edexcel,binomial

Species🦭

You will have to know the definition of species in I/GCSE Biology

- A group of organism that can breed with each other and produce fertile offspring. A few species can interbreed to produce hybrids but these are sterile

Hybrid species inculde...

  • Horse + Donkey = Mule                                    Fertile- can have off spring
  • Tiger + Lion = Liger/Tiglon                                Interbreed- can breed with other species
  • Camel + Llama = Cama                                    Hybrid- animals of two different speceis
  • Zebra + Donkey = Zonkey                                Sterile- Cannot produce off spring
  • Jaguar + Lion = Jaylion
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Binomial Classification🦁

Each species has a unique binomial name...

Panthera Leo

  • Genus name (Panthera)- sharded with                 
  • Species name (Leo)- unique to African Lionsby similar species (big cats)
  • Panthera Pardus (Leopard) and Panthera Tigris (Tiger) have the same genus name because they are closely related

Binomial names are useful because...

  • Others know which species you mean
  • You can see form the genus name which species are closely related
  • Helps to identify which enivroments contain fewer species (low biodiversity) that are at risk of extinction.

RING SPECIES🦍

Neighbouring 'species' of the ring frequently interbreed, they produce a continues range of characteristics form one end to the other. 

  • Each off spring is fertile

Binomial- two part name

Biodiversity- a lot of different types of species living together in one areaRing species- species that connect to form a ring

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Reference: https://i.pinimg.com/originals/15/47/2d/15472d3b568738c35b2125ee6d9a8f4c.jpg

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Drafted by Catrina (Biology)

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