In cod, pike and many fish, the number of eggs spawned is in the millions. At the same time, there are fish that spawn several hundred or dozens of eggs. Explain why both fish exist in nature.
1) Female fish, as a rule, spawn a large amount of eggs into the water, and it is fertilized there, fertilization is external
2) Adaptation to survival with external fertilization – a large number of eggs
3) Fish with low fertility have well-developed care for the offspring, otherwise they could not exist
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