The correct answer is C.
In the aquarium, the water plants would provide the O2 molecules necessary for the snail's metabolism and the snail would release the CO2 molecules that are a byproduct of his metabolism into the container. The CO2 would later be used by plants to make sugar in the process of photosynthesis, releasing more O2 and the cycle of two gases would be completed.
Reptile scales! Or, more specifically, reptiles descended from dinosaurs.
Both Grosz and Dos Passos were looking to animals for their understanding of humans.
Elizabeth Grosz is famous for her theory "Art and the animal" where she explains that <span> we humans take our cue from the animal world.
The American novelist Dos Passos, also believes </span>that the natural world and human civilization are essentially disparate. Their portrayals are generally positive.
