Term
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Definition
| In fish, they filter nitrogenous wastes, ions and water across a glomerulus (a network of capillaries) |
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Term
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Definition
freshwater fish are saltier inside than the water and so when water enters the body they lose salt by diffusion
- never drink water except during feeding
- the kidney pumps excess water out through urine, and the body reabsorbs salt from tubules
- they have salt absorbing cells in the gill epithelium |
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Term
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Definition
marine bony fishes (inside is not as salty as the water so they lose water)
- drink seawater to compensate for loss of water but this brings in more salt
- salt secretory cells excrete the salt
- remaining ions are voided with feces or by the kidney |
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Term
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Definition
| foundin teleost fishes, to incease absorptive surfaces |
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Term
| Reproduction: internal or external? |
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Definition
| dioecious fish, external fertilizationa dn external development |
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Term
the _____ care provided, the ______ eggs produced
choose more or fewer |
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Definition
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Term
| Growth of fish is temperature dependent. What temperature makes them grow faster? |
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Definition
| Warmer fish grow more rapidly |
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