Ecology

3. obtain their organic molecules from other organisms
5. a type of heterotroph that obtain nutrients by consuming non-living organic sources, such as detritus and humus
7. a group of organism of the same species living in the same area at the same time
8. heterotrophs that obtain organic nutrients from detritus by external digestion
10. a group of population living an interacting with each other in an area
11. a group of organisms that can interbreed to produce fertile offspring

1. the environment which a species normally lives
2. heterotrophs that ingest other organisms obtain their organic molecules
4. a community and its abiotic environment
6. the study of relationships between living organisms and between organisms and their environment
9. an organisms that uses solar energy or chemical energy to manufacture the organic compounds it needs as nutrients from simple inorganic compounds obtained from its environment