Oceans of the Earth
What are the 4 large ocean basins in the world?
What is the Pacific Ocean basin, the Atlantic Ocean basin, the Indian Ocean basin, and the Arctic Ocean basin.
A community of organisms that interact with each other and their physical environment.
What is an ecosystem?
Class Chondrichthyes consists of non-bony fishes that have a body support composed of only ___________.
What is cartilage?
What major ocean circles the Earth along the coast of Antartica?
What is the Southern Ocean?
A close living situation between 2 species where at least one species benefits.
What is symbiosis?
Ocean Arthropods have bodies that are divided into 2 body parts. What are they?
What is the cephalothorax and the abdomen?
What is most organisms aren't able to withstand the differences in temperature, pressure, and salinity?
a layer of tissue that makes the shell and other important parts of mollusks
What is a mantle?
This body design is made up of a series of water-filled canals.
What is the water vascular system?
How many ocean layers are there?
Whis is 5 basic ocean layers?
organs for taking oxygen from water
What is a gill?
Cnidarians have 2 basic body forms as adults. They are what and describe the difference between them?
What is the polyp and the medusa? The polyp has tentacles extending upward from its top, and the medusa looks like an umbrella with tentacles extending downward.
What is the intertidal zone?
the production of visible light by living organisms
What is bioluminescence?
Most bony fishes have a special gas-filled sac called an _____________.
What is an air bladder?