Im sory i cant help
none of the answers r there
Answer:
Flow of Energy can be explained by means of two models namely: single channel energy model and Y-shaped energy model.
Hope this helps :)
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%.
