Conceptual Grid
Table 9.3 Conceptual grid comparing three classes of fish |
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|
temperature regulation |
fins |
respiration |
skeleton |
swim bladder |
mouth |
examples |
Agnatha |
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Chondrichthyes |
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Osteichthyes |
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 |
 |
 |
See the grid
Table 9.3 Conceptual grid comparing three classes of fish |
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|
temperature regulation |
fins |
respiration |
skeleton |
swim bladder |
mouth |
examples |
Agnatha |
ectotherm |
yes |
gills |
cartilage |
no |
sucker |
lamprey, hagfish |
Chondrichthyes |
ectotherm |
yes |
gills |
cartilage |
no |
jaw |
shark, ray, skates |
Osteichthyes |
ectotherm |
yes |
gills |
calcified |
yes |
jaw |
salmon, perch, tuna |