Question

research: do some research online. what species are, in fact, your favorite animal’s closest relatives? your answer this is a required question *critical thinking: why do you think that the total of all life on earth is called “the tree of life?”

Explanation:

The question about why all life on Earth is called "The Tree of Life" relates to understanding the interconnectedness and evolutionary relationships of organisms, which falls under Biology (a subfield of Natural Science). The concept of the Tree of Life in biology represents the evolutionary history and relatedness of all living species, showing how they branch from a common ancestor, much like a tree's branches. This framework helps explain the diversity and shared ancestry of life, making Biology the relevant subfield to analyze this question.

Answer:

The subfield is Biology (under Natural Science).