What is an organism that obtains its energy from producers?
100
Ecosystem
What is all the living and nonliving things that interact in a specific area; a subdivision of the environment
100
Predator
What is an animal that hunts and kills other animals for food?
100
Limiting Factors
Any factor in the environment that limits the size of a population
200
Biotic
The living parts of the environment
200
Community
A combination of all the different populations that live and interact in the same environment
200
Ecological Succession
What is the process by which an existing community is replaced by another community?
200
Population
What is all the individuals of a single species that live in a specific area?
200
Heterotroph
What is an organism that cannot make its own food; a consumers?
300
Abiotic
Nonliving parts of the environment
300
Carrying Capacity
What is the largest population of any single species that an area can support?
300
Energy Pyramid
A diagram showing how food energy moves through the ecosystem
300
Producer
What is an organism that makes its own food from light energy and inorganic materials?
400
Autotroph
What is an organism that produces its own food; the source of energy for all other living things on Earth?
400
Carnivore
What is an organism that survives by eating animals?
400
Ecology
What is the study of how living things interact with one another and with their environment?
400
Prey
What is an animal that is hunted and killed by predators?
500
What is all of Earth's ecosystems, collectively; the biologically inhabited portions of Earth, including all of the water, land, and air in which organisms survive?
Biosphere
500
The struggle between organisms for the same limited resources in a particular area
Competition
500
The specific role played by an organism or a population of organisms in the ecosystem
Ecological Niche
500
An organism that survives by living and feeding on other organisms