The tree in your backyard is home to two cardinals, a colony of ants, a wasp's nest, two squirrels, and millions of bacteria. Together, all of these organisms represent

Question

Quizplus · Accepted Answer

The organisms listed in the question represent a variety of different species and populations, but they all exist in the same backyard tree - which represents a community of organisms. An ecosystem would encompass multiple communities and their physical environment.

The Tree in Your Backyard Is Home to Two Cardinals