Ch 34: Section 3 & Ch 35: Section 1

Ch 34: Section 3 AND Ch 35: Section 1

Fill in the Blank

___________ feathers cover the bird's body and give adult birds their shape.

Fill in the Blank

________ feathers cover the body of young birds and are found beneath the contour feathers of adults.

Ch 35 Quick Review:

• Metabolism is the sum of all the chemical precesses occurring in an organism

• Carnivores primarily eat other animals; herbivores eat plants

• Endotherms produce their own body heat through metabolism; ectoderms get their body hear from the environment

• Pangea was a singe supercontinent. It began to break apart about 200 mil years ago to form the current continents. This breakup caused the new landmasses to have different climates. It is hypothesized that some animals could not adapt to the changes and became exinct.