Identify the highlighted folded structures of the stomach

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming