Bacteria, archaea, fungi, algae
Fetuses who were more active during the last trimester of the pregnancy became 2 year olds who were less fearful when interacting with an unfamiliar adult in a laboratory, and those with one year knew how to handle frustration better than those who were less active during the last trimester.
I’m not sure but it looks like a new born..probably 1 month old.
C. When Available land is limited.