There can but it will not last long. There are probably more carnivores because they were taking advantage of the supply of herbivores and now they will start to die off. So I guess my answer is no, not normally and not for a long time.
It affects the layers of the earth the ozone layer which protects us from the sun can't protect very good. Which increases the tempature here on earth.
The sequence and number of amino acids is different (each protein has a unique sequence and arrangement of amino acids).
I'm almost 100% it is the first option
