Term
| After hatching yolk-sac stage |
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Definition
| 1) larva that hasnt begun independent feeding; transition to feeding highly vulnerable stage: food must be abundant, conditions must be right for development of successful predatory behavior |
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Term
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Definition
| 2) significant developmental step; fin rays begin to form, swimming capabilities developing |
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Term
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Definition
| 3) larva loses larval characters and gains juv/adult characters; transition to juv/aduly habitat, change in lifestyle; vulnerable stage also; can be dramatic (flat fish) |
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Term
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Definition
| yolk-sac stage -> flexation of notochord -> metamorphasis |
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Term
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Definition
| eating sibling eggs; pelagic sharks (great white); teach to hunt, born as experienced hunters; first egg developts and eats eggs coming down |
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Term
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Definition
| eat sibling embryo; pelagic sharks (great white); teach to hunt, born as experienced hunters; first egg developts and eats embryos coming down |
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Term
| Advantages of saltatory development |
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Definition
| separation of life stages; nice specificity adapted to size(diff needs, diff habitat req'mnts): food acquisition, predator avoidance, temp optimization |
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