AP BIOLOGY

Detailed explanation-1: -Primary Consumers get their energy from eating plants. Animals that eat only plants are called herbivores. Some examples include: deer, squirrels and caterpillars.

Detailed explanation-2: -For example, when squirrels eat nuts and fruits, it is a primary consumer. If a squirrel switches to eating insects or baby birds, then it is considered a secondary consumer.

Detailed explanation-3: -It is often assumed that squirrels only eat nuts, but squirrels are actually omnivores, which means they like to eat plants and meat. Oftentimes squirrels rely on fungi, seeds, nuts and fruits for nutrition but they will also eat eggs, small insects, caterpillars, small animals and even young snakes.