Ecosystems
The study of how organisms interact with each other and with their environment.
Ecology
interactions of Populations that live in the same area.
Community
occurs when two different species live together in a close relationship over a long period of time.
Symbiotic Relationship
the nonliving parts of an ecosystem.
Abiotic factors
models how energy flows in an ecosystem through feeding relationships.
Food Chain
Made up of all the living and nonliving things in one place.
Ecosystem
The number of organisms in an area relative to the amount of space available.
Population density
made up of all the living and nonliving things in one place.
Ecosystem
the living or once-living things in an ecosystem.
Biotic factors
a model that shows several connected food chains.
Food Web
All the members of one species that live in an area at one time.
Population
The largest number of individuals of a species that an ecosystem can support over time.
Carrying capacity
symbiotic relationship in which one species (the parasite) benefits while another (the host) is harmed.
Parasitism
the potential growth of a population if it could grow in perfect conditions with no limiting factors.
Biotic potential
contains many gases that organisms need, such as water vapor, oxygen, carbon dioxide, and nitrogen.
Earth’s Atmosphere
All the populations that live together in an ecosystem at the same time.
Community
Determine the area’s carrying capacity.
Limiting Factors
a symbiotic relationship in which two species in a community help each other.
Mutualism
change the energy available in their environment into food energy.
Producers
Eats' dead plant or animal material.
Detritivores
The unique way that an organism survives, obtains food and shelter, or avoids danger in its habitat.
Niche
symbiotic relationship in which one species benefits and the other is not helped or harmed.
Commensalism
the unique way that an organism survives, obtains food and shelter,
or avoids danger in its habitat.
Niche
cannot make their own food and get energy by eating other organisms.
Consumers
some producers use ___________________ to change chemical energy into food energy.
Chemosynthesis