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Ecology 2
Question | Answer |
---|---|
What is symbiosis? | The relationship between organisms |
What is parasitism? | A relationship between two organisms in which 1 organism is helped and the other is harmed |
What are 3 symbiotic relationships? | parasitism, commensalism, and mutualism |
What is commensalism? | A relationship between two organisms in which 1 organism is helped and the other is unaffected |
What is mutualism? | A relationship between two organisms in which both organisms are helped |
What is an example of a parasitic relationship? | a tick on a dog. the tick is helped and the dog is hurt. |
What is an example of a mutualistic relationship? | a bird eating bugs off of a buffalo. The bird gets food and the buffalo gets cleaned. |
What is an example of a commensalistic relationship? | A remora and a shark. The remora gets food and protection and the shark gets nothing in return |
Where does ALL the energy on Earth come from? | the sun |
How does a producer obtain its food? | It makes it (most through photosynthesis) |
What eats a producer? | Primary consumer |
What eats a primary consumer? | Secondary consumer |
What eats a secondary consumer? | A tertiary consumer |
What happens to the amount of available energy as you move UP the energy pyramid? | It decreases because each trophic level uses most of the energy that it gets |
What is biodiversity? | The amount of different species that live in an area |
Is biodiversity good or bad? Why? | Good, because it allows ecosystems to be able survive through changes in the environment. |
What is a decomposer and name an example? | organisms that break down dead organic material. Fungus |