Answer:
1)
stromatolites
2)
anoxic
i don't know that if this is right or wrong sorry if it is wrong
Toddlers are most likely to become more curious and would want to start wondering from your presence but nothing will change between you too just that he/she will start becoming more active but the real shins hip will change if the child is scared of you.
I hope this helps
-mk
C. A diverse way in which scientists study the natural world