When an athlete is nearing the end of a race ad her cells are low on oxygen?

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

Modern whales developed their traits through natural selection what occurs during the process of natural selection