A set of thorough and concise notes created and used by an A* grade student to revise Biodiversity (ch 10 from the A Level AQA Biology course). The notes are detailed and clearly explain the topic by breaking each process down into steps. It includes clear and detailed diagrams and includes all con...
,Key words
• Species: group of individuals that are able to breed and produce
living, fertile offspring
• Binomial system: naming system involves animals having a two-par
Latin name. 1st is their genus [generic name], but 2nd is species
[specific name]. E.g. Felix Tigris.
• Biological classification: can be grouped in 2 ways, artificial
[usefulness] classification or phylogenic [ancestral] classification
,Binomial naming system
• 2 names in Latin
• 1st word = genus [capitalised]
• 2nd word = species
• E.g. Panthera leo [printed]
• Or Panthera leo [handwritten]
• Universal naming system to name species the same across all
countries
, Courtship behaviour
• Members of the same species resemble each other physically,
biochemically and behaviourally
• This helps them distinguish members of their species from others
• Courtship behaviour is important to ensure mating success to maximise
change of survival for offspring
• Courtship behaviours allow them to:
• Recognise members of their own species
• Identify a mate that is capable of breeding [sexually mature, fertile]
• Form a pair bond [successful mating & raising offspring]
• Synchronise mating
• Become able to breed
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