Why were animals and insects so much bigger during the time before humans? 1.28K viewsJanuary 3, 2024 Question92.08K February 13, 2020 0 Comments Why were animals and insects so much bigger during the time before humans? In: Biology 12 Answers ActiveNewestOldest Anonymous Posted February 13, 2020 0 Comments You see bugs don’t have lungs so they can only grow big when there is more oxygen .And when they were the biggest there were a lot of trees You are viewing 1 out of 12 answers, click here to view all answers. Register or Login
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