Aquatic Ecosystems
Fish
Classifications
External Anatomy
Internal Anatomy
100
Where freshwater meets seawater.
What is Brackish water?
100
Catfish
What is a freshwater fish with whiskers?
100
Agnatha, Chondrichthyes, Osteichthyes
What are the three types of fish classifications?
100
Nares
What is another name for the nostrils?
100
Internal organ used to breath.
What are the gills?
200
Tropical
What is a warm freshwater ecosystem?
200
Puffer fish
What is an example of a fish that lives in brackish water?
200
Jawed fish with cartilaginous skeletons.
What are Chondrichthyes
200
Scales
What cover the outside of fish and are used for protection?
200
Stores waste liquids and toxins.
What is the function of the urinary bladder?
300
Faster moving water ecosystem, for example streams and rivers.
What is a freshwater lotic ecosystem?
300
Whales; sharks; tuna
What are examples of fish that live in the oceanic zone, a marine ecosystem?
300
Bony fish
What are Osteichthye
300
Caudal Fin
What is another name for the tail fin?
300
Covers and protects gills
What is the operculum?
400
71%
What percentage of the Earth's surface covered in marine ecosystems?
400
Live in water, cold blooded, finned and can only breath underwater.
What 4 things define a fish?
400
Hagfish
What is an example of an Agnatha fish?
400
Used to smell chemicals in water.
What is the function of the Nares?
400
Main artery to gills.
What is the Conus Arteriosus?
500
Purify water, recycle nutrients, provide sole habitats for wildlife and plants
What are functions of Aquatic habitats?
500
25,000
What is the approximate number of known fish species?
500
Salmon, Perch, Parrot Fish
What are three examples of Osteichthyes?
500
Detects movement and vibration in surrounding water.
What is the function of the lateral line?
500
One of the two blood collection chambers of the heart. The blood enters the heart in this chamber.
What is the atrium?
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