'Natural selection video' presentation slideshows

CH 14, & 15

CH 14, & 15. Evolution and Natural Selection. Theory of the beginning. Life originated in the oceans 3.9-3.4 billion years ago Earth is approximately 4.4 billion years old Oldest rocks are 3.9 billion years old. Rock provide evidence on diversity of life because of the fossil formation

503 views • 36 slides

408 views • 30 slides

1.6 Adapting to the Environment

339 views • 17 slides

Physical Adaptations

Physical Adaptations. Animals depend on physical features to: obtain food keep safe build homes withstand weather attract mates. . Physical Adaptations. Examples: shape of a bird's beak number of fingers color of the fur thickness or thinness of fur shape of the nose or ears .

333 views • 16 slides

Genetics

Genetics. A Psychological Perspective. Behavioral Genetics. Understanding how both genetics and the environment contribute to individual variations in human behavior. Genetics are extremely complex We share 93% of genes with rhesus monkeys, so the 7% is responsible for unique behaviors.

381 views • 12 slides