Question: Will weather changes (drought/flooding) over time cause changes in the beak depth of a bird
population?

1. Claim:

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

The chemical form of energy that is useable by the cell to do work

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis