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Adaptations of Animals
What is an adaptation? Any heritable characteristic of an organism that improves its ability to survive and reproduce in its environment. Bird Dropping Spider
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Adaptations of Animals
What is this animal?
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Adaptations of Animals
What are these animals? How have they adapted to increase their chances of survival?
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Adaptations of Animals
Is this what I think it is? Orchid
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Gestation Periods How is the gestation period an adaptation?
Time from conception to birth Humans ? Mouse (21 days) Dog (61 days) Whale ( 1 year) Elephant ( 20 months) How is the gestation period an adaptation?
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Weaning from the mother
Time it takes to walk and be refused breast milk Walking Human (12 months) Horse (10 minutes) Bear (3 months) Adaptations
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What Adaptations do these Animals have that Makes Life Easier in their habitats?
Swamp Water is acidic and lacks oxygen Dense vegetation
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Desert Hot in the day cool at night Limited water
Very little vegetation
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Tundra Cold year round A lot of snow Limited food Little vegetation
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Rainforest Heavy rainfall Hot and humid
Very little vegetation on the ground Dense, tall trees
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Embryonic Development
The stages of growth from 0 – 8 weeks How can these embryos Be considered evidence that we all came from a common ancestor? What do you notice about these embryos?
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DNA The universal Code for all life Code made up of Base Pairs Adenine
Thymine Guanine Cytosine
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Pairing rules In DNA which bases pair together A – ? G – ?
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Genes Genes are sections of DNA that code for a trait
Less than 1% of all DNA More than 99% codes for nothing
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