1. b - plants make their own food (glucose) 2. 1 - fish and upwards have a jaw (there are fish that do not have jaws, but this is likely where the divergence happens - before 1 is likely jawless fish. 3. b - cellular respiration 4. They belong to the same kingdom (Animalia) but different phyla (dogs are in the phylum Chordata - insects are not)
