1. Danielle crise Chris menchio
Fish
Danielle crise
Chris menchio

2. Internal Diagram

3. Nervous System

4. Organs

5. Three Classes of Fish

6. Class Agnatha Nickname: Jawless Fish Examples: Lamprey, Hagfish
General Traits: Lack paired fins and bones
Lack Jaw
Attach to prey with disk shaped sucker

7. Hagfish Traits Bottom dwellers Salt water No jaws
Tie themselves into knots- hide from predators

8. Lamprey Traits Lack jaws Sucker mouth Live in salt and fresh water
Feed off body fluids of prey
Live in salt and fresh water

9. Class Chondrichthyes Nickname: Cartilaginous fish
Examples: Sharks, Rays, and Skates
General Traits:
Skeleton made of cartilage
Jaws
Paired fins
Predators
Internal fertilization

10. Shark Traits 6-20 rows of teeth 20,000 teeth in a lifetime
Lots of lipids
Well-developed sense organs
Constantly swim
Lack air bladder

11. Ray Traits Flat bodies Bottom dwellers Long, whip-like tails
Live young
Diamond shaped bodies

12. Skates Traits Flat bodies Bottom dwellers Long, whip-like tails
Lay eggs
Triangular body

13. Class Osteichthyes Nickname: Bony fish Examples: Trout, bass
General Traits:
Jaws
Bony skeleton
Paired fins

14. Ray Finned Fish Traits Common fish Air bladder Scales- cycloid
Camo for protection in water

15. Lobe Finned Fish Traits
Lunged fish:
Gills and lungs
Shallow ponds
Coelacanth fish:
Thought to be extinct
Lack rays
Fleshy skin

16. Fish Adaptations for Life in Water

17. External Diagram Dorsal fins Lateral line eye nostril mouth Caudal fin
Pectoral fin
gill
Anal fin
Pelvic fin

18. Adaptations Stream-line body Allows them to move faster through water
Muscular tail
Rapid movement
Paired Fins
Move through water
Gills
Take in O2 release CO2

19. Gill Structure

20. Adaptations Continued
Dorsal Fin
Increases stability
Secretes Mucus
Reduces friction
Lateral Line
Detects vibrations

21. Fins and their functions
Caudal:
For forward movement of fish
Dorsal:
Keep fish upright and stable
Anal:
Keeps fish moving in straight line

22. Fins and their functions continued
Pelvic:
Used for stopping and moving up and down
Pectoral:
Scales:
Protection
Prevent loss or gain of water

23. Nervous System Purpose: Brain Spinal cord Nerves Sense organs Eyes
Transmit electrical impulses from brain to rest of body
Brain
Spinal cord
Nerves
Sense organs
Eyes
nose

24. Reproductive System Purpose: Bony fish: Cartilaginous fish:
To produce viable sex cells
Bony fish:
External fertilization
Cartilaginous fish:
Internal fertilization

25. Digestive System Passageway
Mouth (entrance for food)
Pharynx (connects mouth to esophagus)
Esophagus ( passageway for food- leads to stomach)
Stomach ( starts digestion)

26. Digestive System Passageway
Pyloric ceca ( 2nd part of digestion)
Intestine( last part of digestion)
Anus ( exit for solid waste)

27. Additional organs of digestion
Liver (Makes Bile)
Gall Bladder ( stores bile until needed in intestine)
Pancreas ( makes insulin)

28. Pathway of Blood

29. Circulatory System Purpose: To deliver oxygen and food
Closed circulatory system
Low efficiency
Clean and dirty blood mixes

30. Pathway of blood Heart pumps blood through arteries
Blood picks up O2 and releases CO2

31. Pathway of blood
3. Gills to body tissues- nutrients and waste are exchanged 4. Blood goes back to heart through veins 2 chambered heart

32. Fish Classification Kingdom: Animal Phylum: Chordates
Subphylum: Vertebrates
Classes:
Jawless Fish (Agnatha)
Cartilaginous Fish (Chondrichthyes)
Bony Fish (Osteichthyes)

33. Pathway thru Heart
Deoxygenated blood returns from body to sinus venosus
To large atrium
To muscular ventricle
To conus/bulbus arteriosus
To aorta

34. Activities
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35. Videos https://www.youtube.com/watch?v=pNZQEmGp11k

36. Works Cited Notes Google images Website Title: Quizlet
Article Title: Quizlet
Date Accessed: January 05, 2015
Website Title: YouTube
Publisher: YouTube
Date Accessed: January 07, 2015