Any living thing that needs to eat food is a consumer. All pets are consumers. For this reason are plenty of microscopic creatures.

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Many consumer eat plants or parts of plants. They are referred to as primary consumers. Castle are likewise known together herbivores. Animals such as cows, horses, elephants, deer, and also rabbits are grazers. Castle eat grass and the pipeline from bushes and also trees.

Hummingbirds require lots of power to keep themselves alive. Sugary nectar is a high-energy food the keeps lock going.


The s has countless herbivores. Plenty of of these main consumers feed on phytoplankton. One team is zooplankton. Zooplankton are animal plankton. Other herbivores include little fish, squid, sea urchins, and also krill. The shrimplike krill are uncovered in the cold oceans. And also sea urchins, as you know, feeding on coral reefs and also kelp.

Other pets eat seeds and also fruit. Amongst these are squirrels, bats, sparrows, finches, and also parrots. Hummingbirds, butterflies, and bees eat the nectar indigenous flowers. Floor animals, such together grubs and also worms eat tree roots. All these pets are major consumers.

Secondary Consumers

Next come the secondary consumers. These animals eat primary consumers. Few of these are huge predators such as lions, wolves, crocodiles, and also eagles. They may eat pets bigger 보다 they are. Some lions, for example, kill and eat water buffalo. The buffalo weigh double as much as the lions do.

Weasels catch very large prey. They are deadly killers. A solitary bite come the back of a rabbit"s neck death it in ~ once.


Which pet is the fiercest predator? You might measure the fierceness the a predator by the size of the prey. Then weasels would top the list. Weasels frequently hunt rabbits. Rabbits have the right to weigh almost ten times as lot as the weasel.

Other secondary consumers eat animals smaller than they are. Shrews, moles, birds, and also most lizards eat insects. Some bigger animals also eat insects. Anteaters and also sun bears space two examples. These animals have come eat plenty of insects. An anteater, because that instance, might eat as numerous as 30,000 insects every day.

Mantises are also fierce predators. Lock eat every kinds of tiny creatures, including spiders, choose this one.

Tertiary Consumers

Some pets are referred to as tertiary consumers. This means they eat secondary consumers. Tertiary consumer are frequently the “top predators” in a food chain. This way that no other pets eat them.

A great white shark leaps out of the water, catching a seal in that is jaws. A shark is a tertiary consumer.

An area has only a few top predators. To view why, think about the energy pyramid. (See web page 10). The has plenty of plants at the bottom. But only few of the power from those plants it s okay turned into new animals. This method there will be fewer main consumers. And also there will be also fewer an additional and tertiary consumers.


In the ocean, food chains have the right to be long. Lock may have actually a stage beyond tertiary consumers. For example, tree plankton is consumed by animal plankton. This creatures room then consumed by small fish. The tiny fish are consumed by a huge fish. The big fish can then be eaten by a shark or a whale.

This biomass pyramid is very comparable to the power pyramid on web page 10. A habitat deserve to support many an ext plants than main or an additional consumers.

Bears, like this grizzly, enjoy catching salmon or other fish. However, they likewise eat tree food such together fruit and honey.


Most people are not just primary consumers or just second consumers. We eat both tree food and also animal food. We space omnivores.

Other animals are omnivores, too. Foxes, because that instance, eat other animals. Yet they likewise eat fruit. Bears, raccoons, seagulls, and also cockroaches are also omnivores.

Some omnivores room scavengers. This means they eat food that other animals have left. Hyenas, because that example, eat the remains of pets that have actually been eliminated by predators. Castle have strong jaws and also teeth. V them, they deserve to crunch v bones.

Hedgehogs eat greatly slugs, snails, beetles, and worms, but they also eat fruit.

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Parasites are pets or plants that live top top or inside other pets or plants. They space consumers. The mistletoe plant is a parasite. It resides on various other plants. Roundworms are additionally plant parasites. Fleas and tapeworms are also parasites. They periodically feed ~ above humans.