Ch. 4.1 (En. Systems)

Based on the case study image, what is being compared among the Galápagos finches?

• Beak length

• Beak depth

• Wing span

• Tail length

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The earth supports the astonishing biological diversity that we see around us because:

• it has a variety of climates and habitats that support different forms of life.

• it is the only planet in the solar system.

• it has the largest landmass in the universe.

• it rotates faster than other planets.

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The factors that determine which species will survive in one environment or another, and why some species are abundant while others are rare, include:

• Adaptation to environmental conditions and competition for resources.

• The color of the species and their size.

• The number of predators in the world.

• The age of the environment.

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The process of the fittest individuals passing their traits to the next generation is called:

• Adaptation

• Mutation

• Natural selection

• Evolution

According to the title, what advantage do giraffes with longer necks have?

• They can run faster

• They get more food and have more offspring

• They live in colder climates

• They are smaller in size

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What are changes to the DNA of individuals called?

• Adaptations

• Mutations

• Selections

• Variations

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Some mutations can be useful to individuals in new environmental conditions because:

• they may provide traits that help individuals survive and reproduce.

• they always cause harmful effects.

• they make individuals identical to each other.

• they prevent any adaptation to the environment.

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An organism’s physiology and behavior allow it to survive only in certain _________

• environments

• colors

• shapes

• numbers

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What are the minimum and maximum levels of an environmental factor called, beyond which a particular species cannot survive or is unable to reproduce?

• Tolerance limits

• Carrying capacity

• Ecological niche

• Limiting resources

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In which zone is species abundance the highest?

• Zone of intolerance

• Zone of physiological stress

• Optimal range

• Environmental gradient

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