1. <span>Onion cells have thick rectangular walls. 2. </span><span>Both are tropospheres, the lobster and fungi have the same outer shell. 3. </span><span>A bat is a mammal--it has fur, lactates and is warm-blooded. Mammals are vertebrates. Vertebrates have a dorsal nerve cord protected by bony or cartilaginous vertebrae. Arthropods are invertebrates--they do not have vertebrae. They are a specific kind of invertebrate with a jointed exoskeleton. 4, 5, 6, 7 - Sorry don't know these answers to these questions
