Natural Selection & Adaptations

Hollow, light weight bones is an adaptation that...

• is an internal structure that helps birds fly

• is an external structure that helps birds fly

• disables birds ability to fly

• helps birds walk

Adaptation is

• the process that makes an organism look better

• the process in which weak organisms are killed off

• the process in which an organism becomes better adapted to its environment

• the process in which oxygen is transformed into glucose

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Breeding means

• Asexual reproduction that results in offspring

• Sexual reproduction that results in offspring

• Copying of genetic material in the nucleus

• To produce offspring with unfavorable traits

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The purpose of gills on a fish is to

• Take in nitrogen from the water

• Help fish avoid predators

• Take in hydrogen from the water

• Take in oxygen from the water

The squirrel in the picture is using an adaptation called

• camouflage

• hibernation

• migration

• retention

Plants have a structure that allow them to transport water from the roots to the leaves

• Phloem

• Xylem

• Stem

• Soot

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Which one is selective breeding

• genetic mutations in a rabbit that gives it more fur

• a cutie orange

• two deer mating

• none of the above

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In selective breeding humans select the most desirable traits

• True

• False

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Breeding two cows to produce more milk and meat is natural selection

• true

• false

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An organism that hunts and feeds on another organism is a ______________________.

• prey
• producer
• predator
• decomposer

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