Genetic Variation

The variety of genes and alleles that exist in organisms

• independent assortment

• chromosomal abnormalities

• genetic diversity

• mutations

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Any change in the sequence of DNA is a

• recombination

• mutation

• chromatin

• independent assortment

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Traits that help an organism survive are called....

• evolution
• natural selection
• adaptations
• habitats

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Which of the following is an example of a physical trait , or structural adaptation?

• a long neck of a giraffe
• building a nest
• regulation of body functions
• production of a toxic substance

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An organism that survives longer is more likely to produce_______offspring

• less
• the same amount
• more
• no

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Most adaptations that help an organism survive are passed on from parent to child as ___traits?

• adaptable
• physical
• more
• inherited

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The ability to recognize a predator is an example of a ______adaptation?

• behavioral
• structural
• physiological

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Which is an example of an organism protecting themselves from another organism __?

• white color in the snow
• hibernation during winter
• thick fur in the winter time

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Differences that exist naturally among members of a population or species___?

• mutation
• adaptation
• variations
• evolution

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Almost all populations have some variation.

• true
• false

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