| A | B |
|---|
| consumer | an organism that gets energy from food it eats |
| food chain | the path of food energy from one organism to another |
| food web | the combination of many food chains showing food relationships in a community |
| interdependence | the relationship where organisms need each other to survive |
| niche | the role an organism plays in its habitat |
| producer | an organism that get energy from food it makes; a plant |
| energy flow | the path by which energy travels through a food chain |
| herbivore | a consumer that eats producers; a plant eater |
| carnivore | Óa consumer that eats other consumers; a flesh eaterÓ |
| omnivore | a consumer that eats other consumers and producers |
| scavenger | an organism that eats the remains of recently dead organism |
| host | the plant or animal a parasite depends on for survival |
| parasite | an organism living in or on another organism |
| parasitism | a relationship between organisms where one benefits but the other is harmed |
| predator | an animal that hunts and eats other animals |
| prey | an animal hunted and eaten by another animal |
| symbiotic | a relationship between organisms who live together and depend upon each other to survive |
| adaptation | a trait a living thing is born with that increases its chances of survival in its surroundings |
| behavioral adaptation | an activity of an animal that helps it survive |
| ecosystem | all organisms in an area and their living and nonliving surroundings |
| habitat | the place where organisms live and grow |
| population | the total number of the same organisms living in a habitat |
| structural adaptation | the changes that occur to an organism that enable it to survive |
| succession | the gradual changes that occur to rebuild a destroyed ecosystem |
| mimicry | an adaptation where an organism has a similar outer appearance to a different organism or to its environment |
| protective coloring | Óan adaptation where an organismÕs color is similar to its environment |
| protective resemblance | an adaptation of an organism to look like its surroundings |
| biosphere | Óthe area on |
| community | all living things in a local area |
| environment | all the living and nonliving surroundings that affect an organism |
| hibernation | an adaptation of certain animals to spend the winter months in a condition similar to sleeping or in an inactive condition |
| instinct | an unlearned behavior |
| migration | the traveling of great distances by animals in search of food or a suitable climate |
| response | the reaction caused by an event |
| stimulus | something that causes a response |
| climax stage | a stable community without major change |
| competition | effort by an organism to obtain food |
| pioneer stage | the first stage of succession |
| biome | a geographic area with a specific climate and with similar plants and animals throughout |
| climate | the average temperature and rainfall of an area |
| tundra | Óa northern biome with year round cold temperatures |
| taiga | a biome consisting mostly of needled-leaved forests |
| deciduous forest | a biome where trees lose their leaves in the autumn and grow new leaves in the spring |
| grassland | a biome covered with many types of grasses and few trees |
| desert | a biome with hot temperatures in the day |
| tropical rain forest | a biome near the equator with year-round warm temperatures and large amounts of rain |
| estuary | a shallow |
| freshwater habitat | Óa salt-free water area |
| marine habitat | Óa saltwater area |
| tidal pool | Óthe water remaining on shore after high tide |
| upwelling | the rising of deep ocean waters to the surface |
| ecology | the scientific study of the relationships between organisms and the environment |
