Aquatic Organisms
What are the three main types of aquatic organisms?
Plankton, Nekton, Benthos
What are the characteristics of Superclass Agatha?
Jawless fish
True or false: Can fish smell?
true
What is a Lateral Line on fish?
It is a series of enlarged cells in a horizontal line along the side of the body.
What are Nekton characteristics?
Animals that swim freely
What are the characteristics of Superclass Osteichtyes?
Bony fish
What are shark scales shaped like?
Teeth
How much oxygen is found in water?
5-6 PPM
What are Benthos characteristics?
Animals that live on the bottom
What are the two subdivisions of Superclass Osteichtyes?
Classes Actinopterygill and Sarcopterygill
True or False: All fish have scales?
False
What is the tiny, rounded fin between the dorsal fin and the tail fin called.
Adipose fin
What are Plankton characteristics?
They are the base of the food chain, usually microscopic
What are the characteristics of Class Chrodrichthyes?
Cartilagious fish
True or False: Fish eyes can act independently of each other.
True
What are whiskers on fish used for?
To feel, sense, and taste food in murky water.
What are they two subdivisions that the group Plankton can be divided into?
phytoplankton and zooplankton.
What are the two subdivisions of Superclass Agnatha?
Class Myxini and Class Petromyzontida
What covers the scales of fish?
Slime
What is interesting about a fish's body shaped?
It is formed to work best in their environment.
e.x: A bluegill's body is shaped to allow it to fit into cover so that it can escape predators.