| A | B |
|---|
| Ecology | The study of the relationships between organisms and their enviroments |
| ecosystem | complete community of living(biotic) organisms and non living (abiotic) materials in the enviroment |
| Niche | the specific role that an organism has in the ecosystem |
| Producer | and organism that takes sunlight and creates energy through photosynthesis |
| Consumer | an organism that eats another organism for energy;it converts food into energy through cellular respiration |
| Primary Consumer | a first level comsumer that only eats producers |
| Secondary Consumer | a second level consumer that eats primary consumers and maybe producers) |
| Top Consumer | a high level consumer that only eats secondary consumers or higher |
| Decomposer | An organism that breaks down dead organisms and recycles the nutrients to be used again |
| Food Chain | sequence showing the transfer of mass and energy through food in a linear function |
| Food Web | A combination of different food chains;shows that the relationships between organisms is more complex than a simple line |
