the study of interactions among living and non living things along with their environment
a group of different species that live together in one species
all of the organisms as well as climate, soil, water, rocks and nonliving things
a major regional or global community of organisms characterized by the climate
living things (such as plants, animals, fungi and bacteria)
non-living things (such as climate, moisture, temperature, sunlight, and wind)
variety of living things within a ecosystem
has an unusually large effect on its ecosystem
organisms that get their energy from nonliving resources, meaning they make their own food
also called producers
organism that gets its energy from living or once living things like plants and animals
also called consumers
the process by which ATP is synthesized by using chemicals as an energy souce than light
model that shows a sequence of feeding relationships
organisms that eat only plants
organisms that eat only animals
organisms that eat both plants and animals
orgamisms that eat detritus, or dead organic matter
detritivores that break down organic matter into simpler compounds
consumer that primarily eats one specific organism or feeds on a very small number of organisms
consumers that have a varying diet
level of nourishment in a food chain
model that shows the complex network of feeding relationships and the flow of energy within and sometimes beyond an ecosystem
(also known as the water cycle) pathway of water from the atmosphere to Earth's surface below ground, and back
the movement of a particular chemical through the biological and geological (living and nonliving) parts of an ecosystem
process by which certain types of bacteria convert gaesous nitrogen into nitrogen compounds
evaporation that occurs between plants leaves and the atmosphere
area that stores carbon over long periods of time
bacteria change ammonium into nitrate
process in which nitrogen is returned to the soil as ammonium
total dry mass of all organisms in a given area
diagram that compares energy used by producers, primary consumers and other trophic levels
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