Identify the possible inputs and outputs of mass and energy between the sun and a producer.

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

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above