A butterfly and a frog are similar because they: are both invertebrates both go through a metamorphosis both look like their parents at birth are both vertebrates

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy

What is used to keep track of the gamates and possible offsprings combination

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