2 ms·
Yes - but there were larger animals (including huge insects) millions of years prior to that - and many scientists suspect it's due to higher amounts of O2.
by koheripbal 6y ago
Yes - but there were larger animals (including huge insects) millions of years prior to that - and many scientists suspect it's due to higher amounts of O2.
- phonypc 6y agoIIRC, oxygen concentration is theorized to be a factor in the large size of carboniferous insects only. Not relevant to e.g. large reptiles in later periods.