Read these sentences from the passage.

"For example, insects carry pollen that plants need to make seeds. The plants grow and provide for insects. Insects become food for frogs. All living things work together." (paragraph 11)

What argument is the author making in these sentences?

A. The plants in this example show that biodiversity includes more that just native trees.
B. The interactions between these living things suggest biodiversity is important to nature.
C. The life cycle of insects in this example shows that biodiversity needs sacrifice to continue.
D. Cooperation between these living things shows that people have always supported biodiversity.

B. The interactions between these living things suggest biodiversity is important to nature.