Biology Ecology Vocabulary
- Biosphere- All life on Earth and all parts of Earth in which life exists
- Hydrosphere- All the water on the Earth’s surface as water vapor and rain in the atmosphere and underground (Any type of water on earth.)
- Atmosphere- a layer of all the gasses that surround Earth
- Geosphere- solid earth which consists of rocks, continents, and the ocean floor
- Ecology- The study of interactions of living organisms and the non-living environment
- Species- A group of organisms that breed and produce offspring
- Population- A group of individuals that belong to the same species and live in the same area
- Community-A group of different populations that live together in a defined area
- Ecosystem- All the organisms that live in a place and their physical environment. Including non-living things
- Abiotic factors-any nonliving part of the environment
- Biotic factors- any living part of the environment
- Autotrophs (Producers)- an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
- Heterotrophs (Consumers)- an organism that eats other plants or animals for energy and nutrients
- Herbivores- Organisms that only eat plants
- Carnivores- Organisms that eat only meat
- Omnivores- Organisms that eat both plants and meat
- Detritivores- Eat dead organisms (like vultures, worms, and crabs)
- Decomposers- organism that breaks down dead organic material
- Food Chains- the order of events in an ecosystem, where one living organism eats another organism
- Food Webs- A food web is a network of many food chains
- Trophic levels- Trophic levels are the position an organism holds in a food chain