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Chapter 30 biology: the dynamics of life: reinforcement and study guide: fishes and amphibians

Terms in this set (28)

1. All vertebrates are in the phylum _______, and fish, amphibians, reptiles, birds, and mammals are in the subphylum ____________.
Chordata
Vertebrata
2. Vertebrates are bilaterally symmetrical, coelomate animals with endoskeletons, closed________ systems, complex ________, and efficient _________ systems.
Circulatory
Brains
Respiratory
3. If you compared the number of fish species to the number of all other vertebrate species combined, there would be more species of ________.
Fish
4. ________ | Lamprey and Hagfish | 5. __________ | 6. __________ | 7._______
4. Agnatha
5. No
6. Cartilage
7. External
Chondrichthyes | 8. _______ | 9. _____ | Cartilage | 10. ___________
8. Rays and Sharks
9. Yes
10. External & Internal
11. _____________ | 12. ___________ | Yes | 13. __________ | External and Internal
11. Osteichthyes
12. Bony fish
13. Bone
14. How does a fish breathe through its gills?
O2 comes in with H2O and diffuses into blood vessels in gills while CO2 exits with water leaving gills
15. What two adaptations of cartilaginous and bony fishes help them to locate food?
Great sense of smell/ lateral line system
16. While spawning, a female bony fish may lay millions of eggs to be fertilized externally by the male, but only a few will survive.
True
17. The development of bone was an important event in the evolution of vertebrates because it eventually allowed them to move onto land and support their body weight.
True
18. The backbone, comprised of separate gills, was a major evolutionary event for fishes because it provided support as well as flexibility, which helped to propel them through the water.
Vertebraes
19. The swim bladder, an organ found in bony fishes, allows fish to control their depth in water.
True
1. What structures do fishes share with invertebrate chordates?
Gills, muscle blocks, tail, nerve cord
2. What structures do fishes have that invertebrate chordates don't have?
Fins, backbone, scales, heart, liver, stomach, intestine
1. What 3 orders make up the class Amphibia?
Caudata Anura Apoda
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