52962
Descripción
Mapa Mental por Litty Carter, actualizado hace más de 1 año
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Creado por Litty Carter
hace más de 11 años
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Vertebrate
Zoology
- ZOOLOGY
- "The branch of biology that deals with animals and animal life. Includes:
Structure, behaviour, physiology, development and classification of animals
- "The branch of biology that deals with animals and animal life. Includes:
Structure, behaviour, physiology, development and classification of animals
- NATURAL SELECTION
- Organisms produce more offspring than ever survive
- Organisms within species vary
- Any variation which gives an individual a survival advantage will be
passed down to the next generation (if trait is heritable)
- Any variation which gives an individual a survival advantage will be
passed down to the next generation (if trait is heritable)
- Some die because those with
survival advantage outcompete them
- Organisms within species vary
- EVOLUTIONARY MECHANISMS
- Mutation
- Gene Flow
- Movement of genes between
populationa
- Movement of genes between
populationa
- Genetic Drift
- Random changes in gene frequencies within a
population
- Random changes in gene frequencies within a
population
- Recombination
- Mutation
- Organisms produce more offspring than ever survive
- Speed of Evolution
- GRADUAL (Darwin and John
Maynard Smith)
- Small changes within species (microevolution)
- evolution of new species, families etc. (macroevolution)
- evolution of new species, families etc. (macroevolution)
- Small changes within species (microevolution)
- RAPID (Gould and Mayr)
- PUNCTUATIONISTS
- Species show little or no evolutionary change
throughout history
- When speciation does occur, it happens over a short period
of time
- Gradualism is rare in fossil records: intermediate
forms are rare i.e. missing links are indeed missing
- Gradualism is rare in fossil records: intermediate
forms are rare i.e. missing links are indeed missing
- When speciation does occur, it happens over a short period
of time
- Species show little or no evolutionary change
throughout history
- PUNCTUATIONISTS
- GRADUAL (Darwin and John
Maynard Smith)
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