click below
click below
Normal Size Small Size show me how
Ecology
Miss Kesecker-Ecology
| Word | definition |
|---|---|
| ecology | the scientific study of how organisms interact with their environment and all the other organisms that live in that environment |
| ecosystem | all the living and nonliving things that interact in a particular environment |
| biotic factor | a living thing in an ecosystem |
| abiotic factor | a nonliving physical or chemical part of an ecosystem |
| cycle | a series of events that happens over and over again |
| water cycle | the continuous movement of water through Earth, its atmosphere, and the living things on Earth |
| carbon cycle | the continuous movement of carbon through Earth's ecosystem |
| nitrogen cycle | the continuous movement of nitrogen through Earth's ecosystem |
| producer | an organism that captures energy from sunlight and transforms it into chemical energy that is stored in energy-rich carbon compounds |
| consumers | a living thing that gets its energy by eating other living things in a food chain |
| decomposers | organisms that break down dead plants and animals' matter into simpler compounds |
| food chain | describes the feeding relationship between a producer and a single chain of consumers in an ecosystem |
| food web | a model of the feeding relationship between many different consumers and producers in an ecosystem |
| energy pyramid | a model that shows the amount of energy available at each feeding level of an ecosystem |
| biomes | a region of Earth that has a particular climate and certain types of plants |
| coniferous | a term to describe cone bearing trees and shrubs that usually keep their needles and leaves throughout the year |
| deciduous | trees drop their leaves as winter approaches and then grow new leaves in the spring |
| estuary | the lower end of a river that feeds into the ocean, where fresh water and salt water mix |