42 terms

Ecology

STUDY
PLAY

Terms in this set (...)

Ecology
The study of how living things interact with each other and their environment
Abiotic
non-living things in an ecosystem
Biotic
Describes living factors in the environment (plants, animals, bacteria, fungi, or protists)
Organism
Any living thing
Population
Group of the same species of organisms
Limiting Factor
Resource that restrict the size of a population
Limiting Factor/ Natural Resource Examples
Water, Food, Shelter, Space, and Mates
Community
All the different populations that live together in an area
Ecosystem
A community of organisms and their abiotic environment
Biome
A group of ecosystems that share similar climates and typical organisms
Biosphere
part of Earth in which life exists including land, water, and air or atmosphere
Adaptation
A characteristic that improves an individual's ability to survive and reproduce in a particular environment.
Autotroph
An organism that makes its own food
Producer
An organism that can make its own food through the process of photosynthesis.
Heterotroph
An organism that cannot make its own food.
Consumer
An organism that obtains energy by feeding on other organisms
Herbivore (Primary Consumer)
an animal that eat plants only
carnivore/secondary or tertiary consumer
organism that obtains energy by eating animals
omnivore (secondary consumer)
organism that obtains energy by eating both plants and animals
scavenger
A carnivore that feeds on the bodies of dead organisms
decomposers/detritivores
An organism that breaks down wastes and dead organisms
Competition
A relationship between or among living things for resources, such as food, space, shelter, mate, ecological status, etc.
Food Chain
A series of events in which one organism eats another and obtains energy.
food web
a system of interlocking and interdependent food chains.
Competition Within (INTRAspecific)
Competition within the SAME species
Competition Between Others (INTERspecific)
Competition between DIFFERENT species
Predator
An animal that hunts other animals for food in a predation interaction
predation (predator/prey)
An interaction in which one organism kills another for food.
Prey
Animal hunted or caught for food in a predation interaction
Carrying Capacity
Largest number of individuals of a population that a environment can support
Symbiosis
A close relationship between two species that benefits at least one of the species.
Mutualism
A relationship between two species in which both species benefit
Commensalism
A relationship between two organisms in which one organism benefits and the other is unaffected
Parasitism
A relationship between two organisms of different species where one benefits and the other is harmed
parasite
the organism that benefits
host
An organism on which a parasite lives.
Matter
Anything that has mass and takes up space
carbon-oxygen cycle
the process by which carbon and oxygen cycle among plants, people and animals, and the environment
Hypothesis
An educated guess that attempts to explain an observation or answer a question.
Manipulated Variable (Independent Variable)
the one variable that is purposely changed to test a hypothesis
Responding Variable (Dependent variable)
The factor that may change in response to the manipulated variable
Control Factors
the parts of the experiment that do not change

Flickr Creative Commons Images

Some images used in this set are licensed under the Creative Commons through Flickr.com.
Click to see the original works with their full license.