What happens if photosynthesis didn't produce oxygen?

What is the m’naughten rule? how did this rule come into existence?

Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc

Apart of an ecosystem that can restrict the growth of a population is referred to as