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Aidan Rust P7 Unit 1 Vocab

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Section 1

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Independent variable

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Last updated

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Date created

Mar 14, 2020

Cards (46)

Section 1

(46 cards)

Independent variable

Front

The variable that is manipulated

Back

Habitat

Front

Place where an organism lives

Back

Trophic level

Front

Each step in a food chain or food web

Back

Logistic Growth

Front

Growth pattern in which a population's growth rate slows or stops following a period of exponential growth

Back

Biosphere

Front

Part of Earth in which life exists including land, water, and air or atmosphere

Back

Ecosystem

Front

A community of organisms and their abiotic environment

Back

Science

Front

A process of gaining knowledge by asking and answering questions about the natural world around us

Back

Biotic factors

Front

Living parts of an ecosystem

Back

Quantitative

Front

Describes a number

Back

Density dependent factor

Front

Limiting factor that depends on population size

Back

Scientific Method

Front

A set of procedures to follow in order to gain knowledge

Back

Theory

Front

A broad explanation that is accepted as scientific truth and is supported by a lot of evidence

Back

Dependent variable

Front

The outcome factor that responds to the independent variable

Back

Commensalism

Front

A relationship between two organisms in which one organism benefits and the other is unaffected

Back

10% rule

Front

10% of the energy is transferred from one trophic level to the next

Back

Organism

Front

A living thing

Back

Parasitism

Front

A relationship between two organisms of different species where one benefits and the other is harmed

Back

Population

Front

A group of organisms of the same species populating a given area

Back

Control

Front

The standard that is used for comparison

Back

Density independent factor

Front

Factor unrelated to population density that limits a population

Back

Community

Front

All the different populations that live together in an area

Back

Competition

Front

The struggle between organisms to survive in a habitat with limited resources

Back

Heterotroph

Front

An organism that cannot make its own food, a consumer

Back

Species Abundance

Front

Number of individuals per species

Back

Food web

Front

A set of interlocking food chains

Back

Ecology

Front

The study of how living things interact with each other and their environment

Back

Consumer

Front

An organism that cannot make its own food, a heterotroph

Back

Biodiversity

Front

Variety of life in the world or in a particular habitat or ecosystem.

Back

Trophic cascade

Front

The relationship between populations of predators & resources consumed by predators' prey

Back

Autotroph

Front

An organism that makes its own food

Back

Food chain

Front

A series of steps in which organisms transfer energy by eating and being eaten

Back

Exponential growth

Front

Growth pattern in which the individuals in a population reproduce at a constant rate

Back

Predation

Front

An interaction in which one organism kills another for food.

Back

Hypothesis

Front

A possible explanation to a scientific question. It must be testable and based on observations and inferences

Back

Observations

Front

Anything you detect with your senses

Back

Keystone species

Front

A species that influences the survival of many other species in an ecosystem

Back

Producer

Front

An organism that makes its own food

Back

Energy pyramid

Front

A diagram that shows the amount of energy that moves from one trophic level to another in a food web

Back

Qualitative

Front

Describes a quality

Back

Inferences

Front

Observations based on reasoning

Back

Abiotic factors

Front

Nonliving parts of an ecosystem

Back

Limiting factor

Front

An environmental factor that prevents a population from increasing

Back

Mutualism

Front

A relationship between two species in which both species benefit

Back

Decomposer

Front

An organism that breaks down wastes and dead organisms

Back

Species Richness

Front

The number of species in a given area

Back

Carrying capacity

Front

The largest population that an environment can support at any given time

Back