Answer:
C) Plants
Explanation:
"Ecosystem" is the topic. Then "Plants" is the sub topic. Next the "Number of trees" and "Number of shrubs" branch out from there (Pun intended (; ).
Answer: False
Explanation:Decision tree is the tree like structured flowchart which is used for the evaluation of the possible outcomes or result of the particular problem. It usually has two or more branches as the the result node . Decision tree are applicable to many problems for solving it. So, decision trees is not only applicable on certainty problems but also on other problems as well. Therefore the given statement is false.
