fish dissection test

What phylum is the fish?

Cordata (has a spinal cord)
What subphylum is the fish?

Vertebrata (has a backbone)
Describe six characteristics of the osteichthyes class of fish.

most numerous of all vertebrates

found in all types of water

have scales and a mucous coating to slide through the water

have a swim bladder, or air sac that helps control the buoyancy of fish

have a lateral line: a sense organ which detects movement or changes of pressure in the water

gills are covered by a flap called the operculum
Describe the parts of the digestive system of the fish
- bony jaw (mandible)
- mouth with tongue
- esophagus
- stomach (digests food)
- liver (produces bile, which helps break down fat)
- intestine (absorbs nutrients)
- anus (releases solid waste)
Describe the parts of the circulatory system.

closed circulatory system

has a heart with two chambers and blood vessels
Describe the parts of the nervous system of the fish.
- brain
- dorsal nerve cord
- spinal vertebrae, which protects the nerve cord
Describe the excretory system of the fish.

kidneys

urogenital opening for releasing liquid waste (pee pee!)
The respiratory system of the fish is made of what?

gills
Describe the reproductive system of the fish.

females produce thousands of eggs and lay them

males release sperm over the eggs; some eggs are fertilized and develop into fish

Author

angeleenie70

53882

Card Set

fish dissection test

Description

fish dissection test

Updated

2010-12-07T02:16:49Z

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