Evolution

This scientist came up with the idea of natural selection.

• Jean Baptiste Lamarck
• Gregor Mendel
• Charles Darwin
• Thomas Malthus

Two organisms that are closely related would have

• very similar DNA sequence

• exactly the same DNA sequences

• no proteins in common

• completely different DNA sequence

Inherited trait that helps an organism survive is a(n) __________.

• Fossil
• Adaptation
• Ancestor
• Natural selection

The arm of a human, the flipper of a whale, and the wing of a bat all have similar bone structures. Therefore, these parts of the body would all be considered...

• homologous structures

• vestigial structures

• transitional fossils

• common ancestors

The ability of an organism to survive and reproduce in its specific environment 

• diversity.
• evolution
• adaptation
•  fitness

In this example of natural selection, what environmental factor is acting as a selection force - or environmental pressure - on the giraffe?

• Food is found on tree tops

• Having a long neck

• Being cursed with beauty

• Having spots that act as camouflage

Genetic differences between organisms of the same species

• Variation
• Adaptation
• Behavior
• Environment

Which best describes mutations?

• Always helpful
• Always harmful
• Can be helpful or harmful
• Always neutral

Comparing human hemoglobin of chimpanzees, horses, kangaroos, and chickens, reveal that humans have the fewest amino acid differences with 

• Kangaroos
• Horses
• chickens
• chimpanzees

The environment around Manchester, England, changed during the Industrial Revolution.  How did this change affect peppered moths living in the area?

• Natural selection favored moths with dark wings because predators could not see them on the soot-colored trees.
• Natural selection favored moths with white wings that were easy for predators to see.
• Natural selection favored moths with white wings because predators could not see them on the soot-colored trees.
• Natural selection caused moths with white wings to become extinct.