Grade 4 Ecosystems
Terms
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- predator
- an animal that hunts and eats other animals
- water
- a nutrient needed by all living things in an ecosystem
- parasite
- a living thing that feeds on and harms another living thing
- carnivore
- a living thing that is a meat eater
- air
- a mixture of gases, including carbon dioxide and oxygen
- primary producers
- green plants
- producer
-
a living thing that makes food by using the sun's energy
- secondary consumers
- carnivores(meat-eaters)
- consumer
- a living thing that eats other living things
- succession
- the changes in the communities of an ecosystem over many years
- nutrients
- materials that help living things grow and stay healthy
- omnivore
- a living thing that eats both plants and animals
- soil
- the part of the ground where plants grow
- herbivore
- a living thing that eats plants
- community
- all the living things in an ecosystem
- food web
-
*more than one food chain in a community
*shows how many living things are connected in many ways within a community - ecosystem
- a place where living and nonliving things affect each other
- food chain
-
*path by which energy is passed from one living thing to another in a community
*single path taken as different living things eat each other for energy - decomposer
- a living thing that gets energy by breaking down dead plant or animal parts
- primary consumers
- herbivores (plant eaters)
- prey
- an animal that is hunted and eaten by another animal
- host
- a living thing that a parasite hosts and feeds on