Which number in the diagram represents the trophic level of the florida manatee?

The Florida Manatee is one of three species of manatees. It lives in tidal estuaries, large rivers, and shallow seas in Florida, the Caribbean Sea and the north coast of South America all the way to Brazil.

Manatees can grow up to four meters in length and weigh up to 1600 kg. The manatee is greyish-brown in color with green algae patches and gray hair. It often lives in small family groups. The manatee reaches sexual maturity at the age of eight and receives one chick at a time. It can live up to 28 years. Manatee feeds on submerged and floating-leaf aquatic plants, as well as on beach frogs.

The manatees suffer from motor boat propellers and tourism, as well as fishing nets and hunting.