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Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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biosphere | The top portion of the Earth's crust, all the waters that cover Earth's surface, and the atmosphere that surrounds Earth.
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ecosystem | All of the organisms living in an area, as well as the nonliving parts of the environment.
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Ecology | The study of interactions that occur among organisms and their environments.
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Population | Made up of all the organisms of the same species that live in an area at the same time.
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Community | All the populations of all species living in an ecosystem.
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Habitat | The place where an organism lives.
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Limiting Factor | Anything that restricts the number of individuals in a population.
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Carrying Capacity | The largest number of individuals of one species that an ecosystem can support over time.
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Biotic Potential | The highest rate of reproduction under ideal conditions.
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Exponential Growth | When a species moves into a new area with plenty of food, living space, and other resources, the population grows quickly, in a pattern.
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Producers | Organisms that use an outside energy source like the Sun to make energy-rich molecules.
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Consumers | Organisms that cannot make their own energy-rich molecules.
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Food Chain | A simple model of the feeding relationship in an ecosystem.
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Symbiosis | Any close relationship between species.
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Mutualism | A symbiotic relationship in which both species benefit.
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Commensalism | A symbiotic relationship in which one organism benefits and the other is not affected.
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Parasitism | A symbiotic relationship in which one organism benefits but the other is harmed.
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Niche | An organism's role in the environment.
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biotic | living
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abiotic | not living
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herbivore | plant eaters
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carnivores | animals that eat other animals
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omnivores | eat plants and other animals
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prey | a consumer captured and eaten by another consumer
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predator | consumers that capture and eat other consumers
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A round worm living in a puppy is an example of what kind of symbiotic relationship? | parasitism
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decomposers | consumes waste and other dead organisms
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A clown fish protected by an anemone's tentacles is an example of which kind of symbiotic relationship? | commensalism
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A fish living in a pond... is this an example of habitat or niche? | habitat
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A cat uses its senses to find a mouse to eat... is this an example of habitat or niche? | niche
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Is soil a living organism or a nonliving factor? | nonliving factor
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Is a tree a living organism or nonliving factor? | living organism
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Is water living or nonliving? | nonliving
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Is the sun a living organism or a nonliving factor? | nonliving factor
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Is grass living or nonliving | living
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What is the part of the Earth that supports life called? | Biosphere
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Competition for food, living space, or other resources can limit what? | population growth
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If the number of birds in an area increases until there are no more nesting places, this means the ecosystem has reached its _______________ for birds. | carrying capacity
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What does all life require a constant supply of? | energy
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mutualism, commensalism, and parasitism are three kinds of what? | symbiosis
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What kind of organism can directly convert energy from the sun into food? | producer
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Trap - Mark - Release is a method for measuring what? | population
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