This includes all animals apart from the subphylum Vertebrata. Familiar examples of invertebrates include insects; crabs, lobsters and their kin; snails, clams, octopuses and their kin; starfish, sea-urchins and their kin; and worms. The majority of animal species are invertebrates; one estimate puts the figure at 97%.
Sirius B is brighter than the sun.
Answer: The answer is, use of fertilizers (manure) in farming this is on study island
Explanation: