Populations And Ecosystems Flashcards
What two factors does the environment include. Give examples
Abiotic - non living - temp and rainfall
Biotic - living - competition and predators
What is an ecosystem
a community, and all the non living factors within it
What’s the two major processes to consider within an ecosystem
The flow of energy through the system
The cycling of elements within the system
What’s a population
A group of individuals of one species that occupy the same habitat at the same time and are potentially able to interbreed
what can vary the size of a population
The effect of abiotic factors
Interactions between organisms
What is a community
All the populations of different species living and interacting in a particular place at the same time
What is a habitat
The place where an organism lives
What is a niche
the role of a species within its habitat
What is the competitive exclusion principle
No two species can occupy the same niche
