Name of the ship that took Darwin to the Galapagos Islands.

An example is human birth weight. Babies of low weight lose heat more quickly and get ill from diseases easily, babies of large weight are more difficult to deliver through the pelvis. Infants in the medium range tend to have an easier delivery.

Extreme values for a trait are favored over intermediate values.

Tends to favor phenotypes at one extreme of the range of variation....Example: The Peppered Moths

Oysters can be light, dark or intermediate. If oysters are light or dark they are more likely to get eaten by predators because they are more easily seen than the intermediate color. This causes the intermediate population to increase.

Fitness is a measure of an individual’s ability to __________ and ___________.

To ensure that a species survives, more offspring are born than an environment can support. This results in competition among individuals for resources.

Evolution is

Lamarck believed that

Which of the following is an example of natural selection?

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