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Ecosystems
Levels of Organization in Ecology
Term | Definition |
---|---|
ecosystem | All living an nonliving things in an environment |
biotic factors | living or once living things in an ecosystem (plants, trees, animals, insects etc.) |
abiotic factors | nonliving things in an ecosystem (rocks, water, sunlight, temperature etc.) |
species | a group of similar organisms that are able to make more of their own kind |
population | all members of one species in an environment |
community | all the living things in an environment |
interact | when organisms depend on each other for survival |
predator | Organism that hunts |
prey | Organism that is hunted |
biosphere | all parts of the earth where life can be found (land, water, and sky) |
producer | plants, trees and algae |
consumer | An organism that eats other organisms for survival. |
herbivore | eats only producers (plants) |
carnivore | eats only other consumers or animals |
omnivore | eats both plants and animals |
organism | a living thing |
ecology | the study of the relationships between living things and their surroundings, or environment. |
sunlight | provides light and heat to entire biosphere |
life processes | series of actions carried out in order for organism to live. |
water | the liquid that makes life on Earth possible. |
habitat | where an organism lives and gets food and water. |
invasive species | non-native organism (can be plants, animals, or bacteria) that cause harm to the environment |
nutrients | the substances in food that our bodies process to enable it to function |
levels of organization | the arrangement of smaller parts of any structure or system into larger ones and larger ones into still larger ones in hierarchy (individual organism, population, community, ecosystem, and biosphere). |