Due to divergent evolution, some species may have similar anatomical structures with the same purposes. The species while not exactly similar are close enough to allow the interbreeding of the two, such as the horse and mule
Answer
:All of the items that are cycled through the biosphere in biogeochemical cycles
water matter nitrogen phosphorus carbon
Cell Membrane. Even cells with cell walls have a membrane
Answer:
Firstly matter is definite as anything that has a mass and occupies space. Does air has those qualities? Yes. air contains of molecules and makes up the mass component and have you ever try compressing air? From that you knowa it occurs space
So what must be true is that it must have mass and occupy space