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Ecosystems exam
8th grade vocabulary
Question | Answer |
---|---|
What does abiotic mean? | nonliving |
What is a biotic factor? | a living thing |
What is an ecosystem? | Contains all of the living and nonliving components of an environment. |
What is a population? | Many of the same species of organisms that all live in an area. |
What is a community? | Populations of many species that live together in an area. |
What is symbiosis? | A close relationship between two different species of organisms. |
What are the three different types of symbiosis? | Mutualism, commensalism, and parasitism. |
What is parasitism? | A type of symbiosis where one species benefits and the other is harmed. Example: A pig with a tapeworm. |
What is a host? | The organism that the parasite invades in order to survive and reproduce. |
What is mutualism? | A relationship where both species of organism benefit. Example: Cows and birds. |
What is commensalism? | A relationship where one species benefits and the other is uneffected. Example: Barnacle and whale. |
What is a producer? | An organism that is able to produce its own food using energy from the sun. All plants are producers. |
What is a consumer? | An organism that is incapable of producing its own food, and must get nutrition by feeding on an outside source. |
What is a carnivore? | Eats only meat. |
What is a herbivore? | Eats only plants. |
What is an omnivore? | Eats plants and meats. |
What is a scavenger? | An organism that feeds on dead or decaying matter. Example: vulture. |
What is a decomposer? | Organisms that break down other dead organisms. Example: bacteria and fungi. |