For example cats, dogs and lions. Predators Kill for food. They are either secondary or tertiary consumers. Prey The animals that predators feed on. Scavengers Feed on dead animals. For example ...

Food web is an important conceptual tool for illustrating the feeding relationships among species within a community, revealing species interactions and community structure, and understanding the ...

Remember, food chains do not show the number of organisms at each trophic level. Pyramids of number are not always perfect pyramids because of large organisms at the bottom and small ones at the top.

Because heterotrophs such as animals do not assimilate all their food and ... Although the trophic level of a consumer can be determined by following the longest feeding chain, trophic position ...