Lucia Is Very Interested in Biology

Multiple Choice

Lucia is very interested in biology.While studying the apple tree in her back yard,she realizes that it's not only a tree,but it's also a home for the birds,a food source for the woodpecker,part of her mother's landscape design,and a fun thing to climb on.Lucia is demonstrating

A) class inclusion.
B) seriation.
C) conservation.
D) classification.