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Geeked About Beaks

Geeked About Beaks

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Geeked About Beaks. Beak adaptations to food sources. Selection can lead to adaptation. Survival and Reproduction. Beak Size. Selection can lead to adaptation. Survival and Reproduction. Beak Size. Selection can lead to adaptation. Survival and Reproduction. Beak Size. - PowerPoint PPT Presentation

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Page 1: Geeked  About Beaks

Geeked

About Beaks

Page 2: Geeked  About Beaks

Beak adaptations to food sources

Page 3: Geeked  About Beaks

Selection can lead to adaptation

Survivaland

Reproduction

Beak Size

Page 4: Geeked  About Beaks

Selection can lead to adaptation

Survivaland

Reproduction

Beak Size

Page 5: Geeked  About Beaks

Selection can lead to adaptation

Survivaland

Reproduction

Beak Size

Page 6: Geeked  About Beaks

Selection can lead to adaptation

Survivaland

Reproduction

Beak Size

Page 7: Geeked  About Beaks

Selection can lead to adaptation

Survivaland

Reproduction

Beak Size

Page 8: Geeked  About Beaks

Different kinds of selection

Page 9: Geeked  About Beaks

Disruptive selection New Species?

Survivaland

Reproduction

Beak Size

Page 10: Geeked  About Beaks

Example of disruptive selection

African fire-bellied seed-cracker finch

Can open tough shells of large seeds

Better at handling small seeds

Page 11: Geeked  About Beaks

Example of disruptive selection

Pocket micein

New Mexico

Page 12: Geeked  About Beaks

Example of disruptive selection

Pocket mice in New Mexico

Page 13: Geeked  About Beaks

Example of disruptive selection

Magnified 100x

Gill rakers trap food that enter a fish’s mouth so the fish can eat it

Short gill rakers are good for big food

Long gill rakers are good for tiny food

Blood worms

Plankton

Stickleback fish in Canada