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Do Now. Using the theory of natural selection write a fictitious scenario of life for a population of birds on an island. Write about how the birds changed in response to external forces. POP QUIZ. Please Define the following: Natural Selection Survival of the Fittest Adaptation

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Do now

Do Now

Using the theory of natural selection write a fictitious scenario of life for a population of birds on an island. Write about how the birds changed in response to external forces.


Pop quiz

POP QUIZ

Please Define the following:

Natural Selection

Survival of the Fittest

Adaptation

Evolution

Artificial Selection


Do now

  • did humans evolve


Evolution by natural selection

Evolution by Natural Selection

  • Descent with Modification

    • Over long period’s natural selection produces organisms that:

      • Have different structures

      • Establish different niches

      • Occupy different habitats


Concept map

The fossil record

Geographic distribution of living species

Homologous body structures

Similaritiesin early development

Physical remains of organisms

Common ancestral species

Similar genes

Similar genes

Concept Map

Section 15-3

Evidence of Evolution

includes

which is composed of

which indicates

which implies

which implies


Evidence of evolution

Evidence of Evolution

  • Fossil Record

    • Recorded history of life

  • Geographic Distribution of Living Species


Figure 15 14 geographic distribution of living species

Figure 15–14Geographic Distribution of Living Species

Section 15-3

Beaver

Beaver

Muskrat

Beaver andMuskrat

Coypu

Capybara

Coypu andCapybara

NORTH AMERICA

Muskrat

Capybara

SOUTH AMERICA

Coypu


Figure 15 15 homologous body structures

Figure 15–15 Homologous Body Structures

Section 15-3

Turtle

Alligator

Bird

Mammal

Ancient lobe-finned fish


Concept map1

The fossil record

Geographic distribution of living species

Homologous body structures

Similaritiesin early development

Physical remains of organisms

Common ancestral species

Similar genes

Similar genes

Concept Map

Section 15-3

Evidence of Evolution

includes

which is composed of

which indicates

which implies

which implies


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