Who observed plants and animals on Galapagos Islands?
Darwin
+3
What is the difference between artificial selection and natural selection?
Artificial is done by humans.
-3
Darwin noticed that animals of his day changed from extinct animals by looking at ____________.
fossils
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Who observed plants and animals in what is now Malaysia and Indonesia? (Malay Archipelago)
Wallace Darwin Lamarck Malthus
(Alfred) Wallace
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In order for natural selection to occur, organisms in a species need to show some differences due to their genes. This is known as V__________________. These differences must be heritable.
Variation
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A heritable characteristic that increases an organisms ability to survive is called an A_________________.
Adaptation
+2
How could natives tell which island in Galapagos Tortoises came from?
The shapes on their shells.
+1
Natural selection occurs when there are more individuals _______________ than can _____________________. This is called Survival of the ___________.
Born , survive, fittest
+2
How did the work of geologists help shape the ideas of Darwin?
-2
Animal parts with the same underlying skeletal structure with different functions (such as bat wing and human forearm) are called...
Homologous Structures
+2
What does fitness mean in biology?
The ability to survive and reproduce.
+2
The study of the stages of developing organisms is called ...
Embryology
-1