Survival

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'Culture is how biology responds and makes living conditions better' C. J. Cherryh


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Introduction


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Evolution results in diverse adaptations that ensure survival. This diversity allows organism to occupy different niches within an ecosystem.


Species arise, change, and become extinct over time


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Essential Questions

How do organisms survive extreme environments?



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Preknowledge

  • Characteristics are coded for by genes, which are sections of DNA with a specific base sequence.
  • A species is defined as a group of organisms capable of successfully interbreeding and producing viable offspring.
  • Genes are inherited from parents.



Evolution


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Evolution results in diverse adaptations that ensure survival. This diversity allows organism to occupy different niches within an ecosystem.


The genome and gene expression

Niche differentiation

Adaptions for diving

Speciation


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This diversity allows organisms to occupy different niches within an ecosystem.


Speciation is...

NZ species evolution

Extinction


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Extinction events are part as the species lifecycle .


Mass extinction events

The Cambrian explosion