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

Adaptations of Animals What is this animal?

Adaptations of Animals What are these animals? How have they adapted to increase their chances of survival?

Adaptations of Animals Is this what I think it is? Orchid

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?

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

What Adaptations do these Animals have that Makes Life Easier in their habitats? Swamp Water is acidic and lacks oxygen Dense vegetation

Desert Hot in the day cool at night Limited water Very little vegetation

Tundra Cold year round A lot of snow Limited food Little vegetation

Rainforest Heavy rainfall Hot and humid Very little vegetation on the ground Dense, tall trees

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?

DNA The universal Code for all life Code made up of Base Pairs Adenine Thymine Guanine Cytosine

Pairing rules In DNA which bases pair together A – ? G – ?

Genes Genes are sections of DNA that code for a trait Less than 1% of all DNA More than 99% codes for nothing