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
Herbivore, Omnivore, and Carnivore
herbivores: eat only plants
omnivores: eat plants and animals
carnivores: eat meat only
omnivore: eats plants and animals
herbivore: eats only plants
carnivore: eats 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.