4th Grading Science

Organisms that manufacture their own food.

• Producers

• Consumers

• Decomposer

Organisms that cannot manufacture food. They feed on plants or other animals.

• Producers

• Consumers

• Decomposers

Organisms that feed on dead organisms or waste materials and thereby return the nutrients back to the environment.

• Producers

• Consumers

• Decomposers

Consumers that feed on plants.

• OMNIVORES

• CARNIVORES

• HERVIBORES

Consumers eat the flesh of animals.

• CARNIVORES

• HERVIBORES

• OMNIVORES

Consumers that feed on both plants and flesh of animals.

• HERVIBORES

• OMNIVORES

• CARNIVORES

It is similar to a food chain but larger, and it is a diagram that combines many food chains into one picture.

• Food Chain

• Food Web

• Energy Pyramid

It gives the level of energy received by the different organisms in the food chain.

• Energy Pyramid

• Food Web

• Food Chain

It is the process of eating and being eaten where energy is transferred from organisms to organisms.

• Food Chain

• Energy Pyramid

• Food Web

It is a relationship between two species of organisms, in which one benefits and the other one is not significantly affected.

• Mutualism

• Commensalism

• Competition