Scientists may conclude the climate was very warm during a particular time if they discover many fossils of a) fish. b) birds. c) insects. d) tall trees.

What are charcteristics of lithosphere?

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.