Yes some fishes have long tails that can be a threat which can cause fights.
The answer is steep mountains due to it being rocks wind and rain can erode it more
I believe it is the crust
Answer:
When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. It is obviously another source of genetic variation in offspring.
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