NGSS.MS-LS4-4

Modern whales developed their traits through natural selection.  What occurs during the process of natural selection?

• Organisms choose mates from other species to create new species
• Breeders selectively cross organisms with desired traits
• Only the fittest organisms can survive and reproduce
• Organisms remain exactly the same over time.

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What is this an example of?

• diversity of species
• variation
• vestigial structures
• DNA studies

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The theory that organisms best adapted to their environment are more likely to survive and reproduce.
"Survival of the fittest."

• Natural selection
• Adaptation
• Extinction
• Fossil

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The unique characteristics that allow a species to survive is known as its

• Habitat
• Niche
• Population
• Symbiotic relationship

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survival of the fittest organisms that are the best adapted to their environment and the ones that will live long enough to reproduce and pass on their favorable adaptations

• natural selection

• adaptations

• darwin theory

• evolution

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What is the advantage of having different shaped beaks?

• To look different from other species.

• To be able to eat the food readily available in the environment.

• To protect itself against predators.

• To protect itself against prey.

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Biological fitness is the ability to:

• Survive

• Reproduce

• Die

• Learn

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Differences in traits within a population are called __________.

• mutations
• variations
• varieties
• evolution

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If natural selection means "survival of the fittest", what does it mean to be "fit"?

• you can migrate to new areas

• you have a large territory

• you can reproduce and pass on your genes

• you have more genetic mutations

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The special features which enable living organisms to survive in their surrounding is known as _______

• habitat

• adaptation

• abiotic

• environment

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