There are two populations of orcas in Canada's Pacific Northwest, permanent residents and "transients," or migratory animals who are just passing through. What is the difference in diet between the two populations?
Why doesn't Nancy, the biologist, recognize the pod of orcas in Monterey Bay?
What behaviors distinguish the permanent resident pod from the transient pod?
How does Nancy evaluate the health of the orcas? What does she find?
Term Part of Speech Definition Encyclopedic Entry breach Verb
behavior exhibited by whales, when they jump above the surface of the water.
edge of land along the sea or other large body of water.
Encyclopedic Entry: coast culprit Noun
person responsible for an offense or fault.
killer whale Noun
carnivorous whale, actually the world's largest species of dolphin. Also called an orca.
(polychlorinated biphenal) chemical substance that can occur naturally or be manufactured that may cause cancer.
group of whales or dolphins.
behavior where an aquatic animal pokes its head vertically out of the water.