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It is the variable that is deliberately changed is called
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in wich a single organism produces offspring identical to itself
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Is variable that is observed and that changes in response to the independent variable
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Can be used to test hypothesis
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Is any nonliving part of the environment
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Is any living part of the environment with which an organism might interact
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“Feed” by chemically breaking down organic matter
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Is often the first step asking ecological questions
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Primary producers are also called
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Animals that consume the carcasses of others animals that have been killed by predators or have died of other causes
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Organisms that rely on the other organisms for energy and nutrients – consumers Kill and eat other animals
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Is a group of individuals that belong to the same species and live in the same area
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All the organisms that live in a place, with their physical environment
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Consists of all the life on Earth
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Animals whose diets naturally include a variety of different foods that usually includes both plants and animals
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Is a series of steps in which organisms transfer energy by eating and being eaten
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Is a scientific explanation for a set of observations that can be tested in ways that support or reject it
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An assemblage of different populations that live together in a defined area
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Is a signal to wich an organisms responds
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General term that includes both phytoplankton and zooplankton
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Is an organized way of gathering and analyzing evidence about natural world
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Is a group of similar organisms that can breed and produce fertile offspring
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An ecosystem in which water either covers the soil or is resent at or near the surface for at least part of the year
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The scientific study of interactions among organisms and between organisms and their physical environment
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The total amount of living tissue within a given trophic level
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Is a special kind of wetland, formed where a river meets the sea
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It is the study of life
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Is a group of ecosystems that share similar climates and typical organisms
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Is a particular preference or point of view that is personal, rather than scientific
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Is a molecule who complex information they need to live, grow, and reproduce
