the broadest classification of an organism. Domain Eukarya is
divided into four kingdoms, Protista, Animalia, Plantae and Fungi.
Eukarya is characterized by having complex cells, membrane bound
organelles, and the genetic material is located inside the nucleus.
classified under Animalia are multicellular, feed by consuming
other organisms which makes them heterotrophic. They do not have a cell
wall, and they are comprised of cells.
a group that contains the vertebrates and invertebrates. Chordates
are characterized by having a notochord, a dorsal hollow nerve chord,
pharyngeal slits, an endostyle, and a postanal muscular tail.
characterized by the ability to produce milk for the nourishment of
their offspring. Also characterized by the presence of hair
or fur, and specialized teeth. All mammals are endothermic meaning
the are warm blooded animals.
the order of fully aquatic herbivorous mammals. They typically
live in rivers, costal marine waters, wetlands, and esturaries.
All Sirenians have have major aquatic adaptations. Some of these
include modified arms for steering or walking along substrate, the tail
is modified as a large paddle for movement. Comprised of three manatee
species and the dugong.
There are 3
species of manatees that make up the Genus Trichechus; The Amazonian
Manatee, The African Manatee and The West Indian Manatee.
Phylogenetic Tree Link
to Phylogenetic Tree