Comparing Reproductive Strategies
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Sea urchin |
Earthworm |
Fish |
Frog |
Bird |
Mammal (species?) |
# of eggs released at one time [S,M,L] |
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Internal or external fertilization |
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Internal or external development |
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Source of nutrition for developing embryo |
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Source of nutrition post partum |
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Type of protection/care provided to developing young |
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Type of protection/care provided to young, post partum |
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1) In organisms that have external fertilization, are the number of eggs produced large, medium or small? Why is this necessary?
2) As care and protection increases, how do the number of eggs released compare? Explain why.