Following is the taxonomy of the killer whale (orca). which choice represents the correct scientific name for this animal?

kingdom: animalia

phylum: chordata

class: mammalia

order: cetacea

family: delphinidae

genus: orcinus

species: orca

orcinus orca
cetacea orca
cetacea delphinidae
orcinus delphinidae

Orcinus orca

Explanation:

The killer whale is easily recognize by their huge size and black and white coloration.The dorsal surface and pectoral flippers are black in color.A grayish patch lies behind the dorsal fin and white eyespot located just above each eye.Male and female differs morphologically. Feeds on marine mammals,birds and sea turtles.

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg 

bacterium is not correct