Ecosystems

Dr. Wise: 4th Grade

Biotic Factors and Abiotic Factors

Biotic Factors: All the living things in an environment

Abiotic Factors: All the nonliving things in an environment

Abiotic and Biotic Factors

Terrestrial Organisms and Aquatic Organisms

Terrestrial Organisms: The animals and plants that live on land

Aquatic Organisms: The organisms that live in Earth's water

Producers and Consumers

Producers can make their own food through photosynthesis

Consumers cannot make their own food

Producers and Consumers for Kids | Classroom Video

Decomposers

Decomposers break down dead plants and animals, some kinds of bacteria and fungi are decomposers
The Dirt on Decomposers: Crash Course Kids #7.2

Predator and Prey Relationship

predator: an organism that hunts another animal

prey: an organism that is hunted by a predator

example: a lion hunts a zebra and eats it, the lion is the predator and the zebra is the prey

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Herbivore, Omnivore, and Carnivore

herbivores: eat only plants

omnivores: eat plants and animals

carnivores: eat meat only

Digital Game 1 on Herbivore, Omnivore, Carnivore

Play as a class or in computer stations. Interactive sorting game.

Food Chains and Food Webs

All food chains and webs start with the energy from the sun.

The first link in a food chain is always the producer, and consumers follow it.

Food chains trace the flow of energy from producers to consumers as one living thing eats another.

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