Hi I believe it’s join occupation hope this helped
Answer:
The answer is - The Root Node
Explanation:
The Phylogenetic tree shows the relationship between different organisms and their path of evolution through time. It is a graphical representation that links organisms from a common ancestor down to their different descendants. The most recent common ancestor of all the taxa or organisms on a phylogenetic tree is represented by a root node as it is the very first parent or node.
Answer: Age stratification theory explains this
Explanation: Age stratification theory refers to the classification of people in a society into socioeconomic levels.
Age stratification theory explains what different age groups can and can't do.
Answer:
a necessary and sufficient condition for therapy to occur.
Explanation: