5.1 What is an Ecosystem? Flashcards
What does Biosphere mean?
Part of the Earth and its atmosphere that is inhabited by living organisms.
What does Abiotic mean?
Non-living factors within the environment. Physical and chemical factors like the climate and soil type.
What does Biotic mean?
Environmental factors that are affected by living organisms. Factors determined by organisms such as predation and competition.
What is a habitat?
A habitat can be thought of as the place with a distinct set of conditions where an organism lives.
What is a community?
A habitat where there will be several to many populations of organisms.
What is population?
Each population is a group of individuals of the same species found in an area.
What happens if two organisms have the same niche?
The same food source, the same time of feeding, the same shelter site etc. they will compete with each other.
When can two species share the same habitat?
Two species are able to share the same habitat only if they occupy different niches.
What determines which species occur in a habitat?
A particular species lives in a particular habitat because it is adapted, and is able to survive and reproduce.
