6.13C Variation of Traits in a Population F&C

A group of organisms of the same species that live in a specific geographical area is called a ________.

• population

• community

• ecosystem

• biome

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A genetically determined characteristic is known as a ________.

• trait

• gene

• allele

• chromosome

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The occurrence of hereditary or nonhereditary differences between different individuals of a population is called ________.

• variation

• mutation

• evolution

• adaptation

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A benefit, favorable condition is referred to as an ________.

• advantage

• disadvantage

• obstacle

• drawback

An unfavorable condition is known as a ________.

• disadvantage

• advantage

• benefit

• opportunity

The living and nonliving surroundings of an organism are called the ________.

• environment

• habitat

• ecosystem

• biosphere

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To remain alive is to ________.

• survive

• perish

• expire

• succumb

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The process by which organisms better adapted to their environment tend to survive and produce more offspring is called ________.

• natural selection

• speciation

• genetic drift

• mutation

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NGSS.MS-LS4-4

According to natural selection, light colored tree trunks would favor

• light colored moths

• dark colored moths

• red colored moths

• red and light colored moths

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NGSS.MS-LS4-4

A fox with thicker fur than average would have a survival advantage over other foxes if:

• There is more competition for food in the fox population.

• The air temperature significantly decreases in winter.

• A drought occurs, limiting the amount of water available.

• A new disease appears that infects the foxes.

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