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Mammalia
Characteristics of Mammalia: Mammals have a four chambered heart. They have an acute sense of smell except for whales and higher apes. Mammals are Warm blooded.
Animalia
Characteristics of Animalia: Things that go under animalia Need to move, breath, and reproduce. They get nutrients from other organisms. These other organisms are called heterotrophs.
Cetacea:
Insulation Whales do not have a coat of fur to keep warm, so they have a thick layer of fat and connective tissue called blubber underneath their skin. This blubber layer can be as much as 24 inches thick in some whales, and Diving Whales have collapsible rib cages and flexible skeletons, which allows them to compensate for high water pressure when they dive. They can also tolerate higher levels of carbon dioxide in their blood, allowing them to stay underwater for up to 1 to 2 hours for large whales.
Chordata
Characteristics of Chordata: The post anal tail extends beyond anus and it's in present at least embryo. They regress into tail bone in humans, single, hollow nerve cord beneath dorsal surface; in vertebrates, it differentiates into brain and spinal cord. Segmentation is reflected in arrangement of muscles (somite) and in vertebral column (both mesoderm).
Delphinidae
Characteristics of Delphinade: The Delphinidae are generally fast, streamlined animals. They have cone-shaped teeth. And important, falcate dorsal fin near the middle of there back.
orca
Characteristics of orca: - Orca translates to large bellied pot or jar. Orc though refers to whales. Most scientist considered all killer whales the same species.
Orcinus
Characterics of Orcinus: - Orciuns have a distinctive pattern. The pattern is black on the back, white on the belly. Orcinus means belonging to Orcus.