Chapter 1 Flashcards
Organism
A living thing
Habitat
An environment that provides the things a specific organism needs to live, grow, and reproduce
Biotic factors
A living or once living part of an organisms habitat
Abiotic factors
A non living part of an organisms habitats
Species
A group of similar organisms that can mate with each other and produce offspring that could also reproduce
Population
The members of one species living in the same area
Community
All the different populations that live together in a specific area
Ecosystem
The community of organisms that live in a particular area, along with their non living environment
Ecology
The study of how organisms interact with each other and their environments
Birth rate
The number of births per 1000 individuals for a certain time period
Death rate
The number of deaths per 1000 individuals for a certain time period
Immigration
Movement of individuals into a populations area
Emigration
Movement of individuals out of a populations area
Population density
The number of individuals in an area of a specific size
Limiting factor
An environmental factor that causes a population to decrease in size