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What can lead to extinction?
evolution
Compare homologous structures.
Some foxes being red while others are black, gray, and white
Their beaks matched the food sources available on the island.
That part of North America used to be warmer.
A population with a lot of variation
New offspring make a new species.
Being in competition with another species over a food source.
What did Darwin observe with the Finches on the Galapagos Islands?
evolution
Compare homologous structures.
Some foxes being red while others are black, gray, and white
Their beaks matched the food sources available on the island.
That part of North America used to be warmer.
A population with a lot of variation
New offspring make a new species.
Being in competition with another species over a food source.
Which population would be MORE likely to survive?
evolution
Compare homologous structures.
Some foxes being red while others are black, gray, and white
Their beaks matched the food sources available on the island.
That part of North America used to be warmer.
A population with a lot of variation
New offspring make a new species.
Being in competition with another species over a food source.
What is an example of genetic variation?
evolution
Compare homologous structures.
Some foxes being red while others are black, gray, and white
Their beaks matched the food sources available on the island.
That part of North America used to be warmer.
A population with a lot of variation
New offspring make a new species.
Being in competition with another species over a food source.
Why is overproduction important to natural selection?
evolution
Compare homologous structures.
Some foxes being red while others are black, gray, and white
Their beaks matched the food sources available on the island.
That part of North America used to be warmer.
A population with a lot of variation
New offspring make a new species.
Being in competition with another species over a food source.
How do scientist determine how species are related?
evolution
Compare homologous structures.
Some foxes being red while others are black, gray, and white
Their beaks matched the food sources available on the island.
That part of North America used to be warmer.
A population with a lot of variation
New offspring make a new species.
Being in competition with another species over a food source.
What is an example of scientific theory?
evolution
Compare homologous structures.
Some foxes being red while others are black, gray, and white
Their beaks matched the food sources available on the island.
That part of North America used to be warmer.
A population with a lot of variation
New offspring make a new species.
Being in competition with another species over a food source.
Ferns grow in tropical areas. Fossils have been found in Northern part of North America, where it is cold. What does this evidence suggest?
evolution
Compare homologous structures.
Some foxes being red while others are black, gray, and white
Their beaks matched the food sources available on the island.
That part of North America used to be warmer.
A population with a lot of variation
New offspring make a new species.
Being in competition with another species over a food source.
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