Plant cells have cell walls, while animal cells don't have cell walls.
warm front
// answer was short so added this text //
Spiders have malpighian tubules<span> to absorb salts and wastes while humans have microscopic subunits in the kidneys called </span>nephrons to filter blood. Malpighian tubules<span> remove wastes from insects by producing urine and solid nitrogenous waste, which are then excreted from the body.</span>
It could be dinosaurs, or a specific species... could you be more specific with what it's related to?
Uh disobedience? i seen a question with same stuff