non-living factors. e.g., water, rock, wind,
ecosystems within areas of similar climate and similar organisms
the thin layer of Earth and the atmosphere in which organisms can live
living factors having to do with the activities of organisms.
an example of a consumer, specifically one that eats animals.
a type of symbiotic relationship between two orgamism. This type involves one organism that benefits and one organism that is not benefitted or harmed.
different populations in an area.
heterotrophs: herbivores, carnivores, omnivores, detritivores, decomposers. Organism that do not produce their own food.
break down organic matter
a change of community of organisms because of changing abiotic and biotic factors. Involves groups of species.
the study of all interrelationships between organisms and their environment.
biological communities and all nonliving (abiotic) factors in the environment
usable power. The ultimate source of energy for earthlings is the sun. Energy is neither created
a diagram that shows the amount of energy that moves fm one feeding level to another in a food web
A model showing a single path for energy to flow through an ecosystem.
The pattern of overlapping food chains in an ecosystem
the physical area where an organism lives, e.g., cave, soil, dead log in a forest, fish aquarium, stream, river, ocean, etc.
an organism that only eats plants.
a type of symbiotic relationship in which both organisms in the relationship benefit.
is the role that an organism plays in a place (profession of the organism).
a consumer that eats both plants and animals; a heterotroph
any living thing that can perform all functions that characterize life, including archaebacteria (Archaea) eubacteria, animals, plants, fungi, and protista.
a symbiotic relationship in which one benefits, the other is harmed.
an autotroph, an organism that uses sunlight for photosynthesis or inorganic chemicals for chemosynthesis.
a type of community interaction in which an organism (predator) captures and feeds on another organism (prey)
a group of organisms capable of interbreeding and producing fertile offspring. Has a two part scientific name.
gradual change in a community over time
A biotic or abiotic factor that limits the number and distribution of a populaton.