Populations And Ecosystems Flashcards
What is an ecosystem?
A community of organisms interacting with the abiotic components of their habitat
What is a habitat?
The place in which an organism lives
What is a community?
Interacting populations of 2 or more species in the same habitat at the time
What are abiotic factors?
Factors that are non living
Temperature, oxygen availability
What are biotic factors?
Factors that are living
Predators, competition
What are density-dependent factors?
Factors that increase when the population increases e.g. food availability, competiton
What are density-independent factors?
There same regardless of the population size e,g, weather,climate
What is intra specific competition?
Competition between their same species
What is interspecific competition?
Competition between individuals of different species
What is a population?
A group of interbreeding individuals of the same species, found in a particular time and habitat
What is ecology?
The study of the relationship among
organisms and their environment