求3种恐龙灭亡的原因(一定要英文)
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发布时间:2022-05-08 22:54
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热心网友
时间:2024-01-27 11:45
sudden changes of temperature because of volcanoes outbreak
因为火山爆发温度的突然变化
shortage on food (extinction of other animals)
其他动物不能适应而绝种, 使它们没有粮食
over population of their own specie created a very competitive environment (compete for habitat)
它们数量过多, 不够居住地, 大多竞争
热心网友
时间:2024-01-27 11:46
volcanic eruptions and tsunamis
shortage on food.
no balance on the different spieces