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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 ____________.
2. Vertebrates are bilaterally symmetrical, coelomate animals with endoskeletons, closed________ systems, complex ________, and efficient _________ systems.
3. If you compared the number of fish species to the number of all other vertebrate species combined, there would be more species of ________.
4. ________ | Lamprey and Hagfish | 5. __________ | 6. __________ | 7._______
Chondrichthyes | 8. _______ | 9. _____ | Cartilage | 10. ___________
8. Rays and Sharks
10. External & Internal
11. _____________ | 12. ___________ | Yes | 13. __________ | External and Internal
12. Bony fish
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.
17. The development of
was an important event in the evolution of vertebrates because it eventually allowed them to move onto land and support their body weight.
18. The backbone, comprised of separate
, was a major evolutionary event for fishes because it provided support as well as flexibility, which helped to propel them through the water.
, an organ found in bony fishes, allows fish to control their depth in water.
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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