Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
fulton science 10
2.1 food chain and food webs
| Question | Answer |
|---|---|
| biomass | the total mass of living plants, animals, fungi and bacteria in a given area |
| energy flow | the flow of energy from an ecosystem to an organism and from one organism to another |
| producer | organisms that produce food in the form of carbohydrate during photosynthesis |
| consumer | an organism that eats other organisms |
| decomposition | is the process by which organic substances are broken down into simpler forms of matter. |
| biodegredation | the gradual build-up of synthetic and organic chemicals in living organisms |
| decomposers | organisms that break down wastes and dead organisms and change them into usable nutrients available to other organidms |
| trophic level | steps in a food chain that show feeding and niche relationships among organisms |
| detrivores | consumers that feed at every trophic level, obtaining their energy and nutrients by eating dead organic matter |
| herbivores | primary consumers that eat plants |
| carnivores | secondary consumers that eat primary consumers and often other secondary consumers. they are often a tertiary level of a food chain; also known as top carnivores |
| omnivores | consumer that eat both plants and animals |
| food web | a model of the feeding relationships within an ecosystem; formed from interconnected food chains |
| food pyramid | a model that shows the loss of energy from one trophic level to another; often called an ecological pyramid |
Created by:
te_amo_silva
Popular Earth Science sets