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Which of the following is an observation made by Darwin that supports his theory of natural selection?
An adaptation to eat tree leaves.
An elephant in the Savannah develops without the ability to hear.
The earth and its organisms have changed through time.
artifical selection
can incorporate new scientific discoveries
speciation
Acquired traits are passed down from parent to offspring
More organisms are born than can survive.
Farm animals with preferred traits are chosen for breeding. These chosen animals usually produce offspring with these preferred traits. This best illustrates the process of
An adaptation to eat tree leaves.
An elephant in the Savannah develops without the ability to hear.
The earth and its organisms have changed through time.
artifical selection
can incorporate new scientific discoveries
speciation
Acquired traits are passed down from parent to offspring
More organisms are born than can survive.
A group of brown moths are attracted to a brown tree. In the spring the tree produces white blossoms. Which adaptation will help the moths?
An adaptation to eat tree leaves.
An elephant in the Savannah develops without the ability to hear.
The earth and its organisms have changed through time.
artifical selection
can incorporate new scientific discoveries
speciation
Acquired traits are passed down from parent to offspring
More organisms are born than can survive.
Lamarck's idea of
An adaptation to eat tree leaves.
An elephant in the Savannah develops without the ability to hear.
The earth and its organisms have changed through time.
artifical selection
can incorporate new scientific discoveries
speciation
Acquired traits are passed down from parent to offspring
More organisms are born than can survive.
As the finches on the Galapagos Island became more and more varied, whether due to available food sources of geographic isolation, what was occurring?
An adaptation to eat tree leaves.
An elephant in the Savannah develops without the ability to hear.
The earth and its organisms have changed through time.
artifical selection
can incorporate new scientific discoveries
speciation
Acquired traits are passed down from parent to offspring
More organisms are born than can survive.
All of the following adaptations could lead an organism to be successful except
An adaptation to eat tree leaves.
An elephant in the Savannah develops without the ability to hear.
The earth and its organisms have changed through time.
artifical selection
can incorporate new scientific discoveries
speciation
Acquired traits are passed down from parent to offspring
More organisms are born than can survive.
One important feature of modern classification systems is that they
An adaptation to eat tree leaves.
An elephant in the Savannah develops without the ability to hear.
The earth and its organisms have changed through time.
artifical selection
can incorporate new scientific discoveries
speciation
Acquired traits are passed down from parent to offspring
More organisms are born than can survive.
Which of the following was an early realization that gave rise to Darwin's theory of natural selection?
An adaptation to eat tree leaves.
An elephant in the Savannah develops without the ability to hear.
The earth and its organisms have changed through time.
artifical selection
can incorporate new scientific discoveries
speciation
Acquired traits are passed down from parent to offspring
More organisms are born than can survive.
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