Question: Using the food web below, create as many possible food chains and identify the following for each Chan: producer, primary consumer, secondary consumer, tertiary consumer, and quaternary consumer (if applicable).

According to the cladogram, which organisms have roundworms as a common ancestor?

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere