Review Sheet for VT 3373:"Eyewitness: Fish"
- There is more less variety of vertebrate life underwater than on land.
- There are more fewer species of fish than of other vertebrates.
- A ____________________ is an example of a fish that swims thousands of miles during its life cycle, from birth in a creek, to adulthood in the ocean, and back to the same creek for spawning.
- The first fish appear approximately __________ million years ago. These fish did not have jaws, fins, or scales, but did have ____________________.
- The _______________________________ is a fish that scientists thought died out 80 million years ago (during the time of the dinosaurs), but then was officially rediscovered in 1938.
- For the first _________________________ of its life, the young salmon stays in its stream before venturing to the sea.
- There are approximately _____________________________ species of bony fish, and most of them have a vast egg-laying capacity (in contrast to the cartilaginous fish).
- As an example of this diversity, there are __________________ species of catfish in South America.
The features of a bony fish include the following:
- bony _______________________________ with a __________________________
- swim bladder for ______________________________________________________
- fins for ______________________________________________________________
- gills for ______________________________________________________________
- (gills have ________________ times the surface area of the fish's skin).
- lateral lines (fluid and jelly filled) for ________________________________________________
- Scales are made of ________________________ for strength, and are set up as _________________ for flexibility.
- Fish swim in a __________ - shaped wriggle.
- Fish show incredible variety of _____________________ and _________________________.
- Very few fish can live in both salt and fresh water; the ______________________ is one of them.
- A fish that can swell up very quickly by swallowing water on demand is the ___________________.
- Territorial fights among fish help to accomplish what goal? ________________________________
- In many ways the most unusual fish are those of the deep ocean. To withstand the crushing water pressure and the darkness down there, these deep-sea fish have what features?
- What are the modifications that a flatfish show in order to become a flattened bottom-dweller?
- The characteristic pink color of salmon muscles comes from its open-ocean diet of _____________.
- Many fish swim in ___________________________ because there is safety in numbers.
- Fish have keen _____________________________ in order to identify the distinctive markings of their own species.
- All fish are silent. T F
- Many fish form mutual associations with other fish and with other organisms. T F
- Human beings have typically looked at fish as _______________________________________.
- The _______________________________ is the source for the most expensive caviar.
- After ________________________ years in the ocean, the salmon returns to the stream where it was borne. The main sense it uses to find its way is its sense of _______________________________.
- Most bony fish use ____________________________ fertilization for their eggs, following elaborate mating rituals.
- No modern species of bony fish can move around on land. T F
- Out of the 3,000 to 5,000 eggs that the salmon lays, only _________________ salmon will survive to complete its life cycle.
|main page| |background| |03028: Physiology| |03048: Anatomy|
|03050: Invertebrate Zoology| |03051: Vertebrate Zoology| |03074: Economic Botany|
Please send comments and questions to: cronewil@hvcc.edu
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This web page last updated on February 15, 2000
