Food Web
About this set
Created by:
llebouef on February 22, 2012
Subjects:
Classes:
Year 9 Science, Mr Bendik, 2012 Chatsworth International
Log in to favorite or report as inappropriate.
Order by
39 terms
Terms | Definitions |
|---|---|
 food chain | a chain of organisms in which each link feeds on the one ahead to gain energy |
| Food web | network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem |
| energy flow | The passage of energy through the components of an ecosystem |
| Producer | organism that can capture energy from sunlight or chemicals and use it to produce food from inorganic compounds; also called an autotroph |
| consumer | organism that relies on other organisms for its energy and food supply; also called a heterotroph |
| decomposer | an organism that breaks down chemicals from wastes and dead organisms, and returns important materials to the soil and water |
| sun as source | The sun provides energy to the earth |
| herbivore | organism that obtains energy by eating only plants |
| omnivore | an animal that feeds on both animal and vegetable substances |
| carnivore | organism that obtains energy by eating animals |
| primary consumer | consumer that feeds directly on producers |
| secondary consumer | Organism that feeds only on primary consumers, including carnivores and some omnivores. |
| scavenger | a carnivore that feeds on the bodies of dead organisms |
| ecosystem | living and nonliving things in an environment, together with their interactions |
| carbon dioxide-oxygen cycle | the exchange of carbon dioxide and oxygen through plants and animals in our environment |
| competition | the struggle between organisms to survive in a habitat with limited resources |
| plentiful | resources are in great supply, easily available; more than enough |
| scarce | resources are in short supply |
| dependent | relying on another, looked after by someone else |
| organism | a living thing that has (or can develop) the ability to act or function independently |
| energy transfer | movement of energy from one place or object to another. |
| thrive | To grow very well; improve physically |
| perish | pass from physical life and lose all all bodily attributes and functions necessary to sustain life |
| drought | a long period without rain |
| living | the condition of living or the state of being alive |
| nonliving | things that do not need food, water and air and do not grow |
| overpopulation | The number of organisms in an area exceeds the capacity of the environment to support life at a decent standard of living. |
| respiration | the exchange of gases between your body and the air |
| interact | to act on or affect one another |
| significance | the quality of being important or of giving meaning |
| niche | organism's role, or job, in its habitat |
| population | group of individuals of the same species that live in the same area |
| individual | being or characteristic of a single thing or organism |
| community | a group of interdependent organisms inhabiting the same region and interacting with each other |
| desert | A type of biome characterized by low moisture levels and infrequent and unpredictable precipitation. Daily and seasonal temperatures fluctuate widely |
| tundra | biome in the Arctic Circle or on high mountaintops, characterized by bitterly cold temperatures and high winds |
| grasslands | a biome where there is enough rain to support abundant grass but not enough for forests. |
| prarie | a large area of level or rolling land with grass and few or no trees |
| aquatic | operating or living or growing in water |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.