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24 Cards in this Set
- Front
- Back
What is a system?
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A system is a group of parts that work as a unit.
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What is stability?
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Changes over time that balance out a system.
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What is an ecosystem?
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A system made up of living things and their environment.
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What is an organism?
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Any living system.
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What is population?
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A group of the same species living in the same place at the same time.
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What is a community?
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A group of organism living together and interacting.
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What is a habitat?
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A place that meets an organism's needs.
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What is a niche?
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The role or part played by an organism in its habitat.
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What is a producer?
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A living thing that can make its own food.
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What is a decomposer?
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A living thing that breaks down dead plants or animals for food.
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What is a consumer?
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A living thing that eats other living things.
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What is climate?
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The average weather of a place over a long time.
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What is diversity in an ecosystem?
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The variety of plants and animals.
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What is Salinity?
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The amount of salt in something.
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What do patterns give most natural systems?
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Stability
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What are the most basic parts of an ecosystem?
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Living and nonliving things.
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What is a population apart of?
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A community
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Why do some ecosystems include many living things?
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Some ecosystems have lots of space, food and shelter.
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What limits the kind of plant that can live in a mangrove swamp?
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Salt.
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What are two examples of ecosystems that have a large variety of plants and animals?
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Tropical rain forest and coral reefs.
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What are the three levels of the food chain?
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Producers, consumers and decomposers.
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Why is a tree an open system?
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It takes in inputs (water, sunlight, minerals) and let out outputs (oxygen, water, leaves, fruit).
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What happens if there are too many of the same kinds of animals in a community?
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Food becomes harder to find and the animal may starve or leave the area.
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How are mangrove swamps and coral reefs alike?
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Both are located in tropical areas, affected by salinity of water and their ecosystems are dominated by one type of organism.
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