click below
click below
Normal Size Small Size show me how
5th grade Ecosystem
| Term | Definition |
|---|---|
| organism | any single living thing that can carry out all the activities of life |
| abiotic factors | the nonliving things in an ecosystem |
| biotic factors | all the living things in an ecosystem |
| food chain | a diagram that shows the transfer of food energy between organisms in a ecosystem |
| food web | a diagram that shows the relationships among different food chains in an ecosystem |
| producer | an organism that can make its own food |
| consumer | an animal that eats plants, other animals, or both |
| decomposer | a consumer that obtains food energy by breaking down the remains of dead plants and animals |
| herbivore | an animal that eats plants |
| carnivore | an animal that eats only meat (animals) |
| omnivore | and animal that eats both plants and animals |
| scavenger | an animal that feeds on dead or decaying animals |
| predator | an animal that eats other animals for food |
| prey | animals that other animals hunt for food |
| ecosystem | a community of organisms and the environment they live in |
| sun | the original source of energy in an ecosystem |
| What do the arrows in a food chain diagram represent? | the flow of energy through the food chain |
| primary consumer | the first consumer in a food chain - eats the plant - a herbivore or omnivore |
| secondary consumer | consumer that eats the primary consumer - an omnivore or carnivore |
| tertiary consumer | consumer that eats the secondary consumer - an omnivore or carnivore |
| apex consumer | top consumer in the food chain - always a carnivore |