Ultimate Animals: The Orca |
Glossary
Wonderful Words:
The Glossary
Species-a type of animal
Scientific Name-an official name for a species
Countershading-a protective feature on orcas, sharks, and many other animals
Streamline-a shape that is smaller at the end, very aerodynamic
Pod-a group of orcas
Echolocation-a series of clicks and whistles that helps orcas communicate. This is also used by bats and dolphins.
Epipelagic-the shallowest zone of the ocean, also known as the sunlight zone
EQ-an abbreviation for encephalization quotient
Captivity-in the hold of someone else; captured by another person or animal
Predator-an animal that hunts other animals for food
Endangered-at risk of being extinct; low population
Overpopulation-too much of one type of animal or thing