What is a tertiary consumer?

Tertiary consumers, sometimes also known as  a p e x predators, are usually at the top of food chains, capable of feeding on secondary consumers and primary consumers. Tertiary consumers can be either fully carnivorous or omnivorous. Humans are an example of a tertiary consumer.

Explanation:

which elements do geologists measure to determine the age of an organism’s remains? check all that apply.

carbon-14

nitrogen

carbon-12