Speciation

SELECT ALL THAT APPLY: Which of the following must be true in order for organisms to be considered the same species?

• They must be able to mate

• They must be able to produce viable offspring

• They must have structural similaries

• They must have the same bone structure

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What happens when species produce too many offspring?

• Species share the limited resources 
• Species eat less so that all can survive
• Only those that are least fit can survive
• Only those that are best fit can survive

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While at the Galapagos Islands, Charles Darwin found that:

• There were slight differences in finches from island to island
• There were slight differences in finches on the islands compared to the mainland
• The shape of the finches beaks were different on each island
• All possible multiple choice answers

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Which of the following must happen for a new species to evolve?

• Isolation
• Adaptation
• Differentiation 
• All of the possible multiple choice answers

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When a population becomes divided by an event such as a new river forming, ____________ has occurred.

• Differentiation 
• Isolation
• Adaptation
• Separation

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Variations in a population are caused by:

• Natural Selection
• Selective Breeding
• Artificial Selection
• Random Mutations

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If an environment changes, populations with ______________ have a better chance of survival.

• No genetic variations
• Genetic variations
• A small number
• A large number

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The climate of a certain area is cold, and snow is found on the ground most of the year. Equal numbers of two populations of rabbits are introduced into this climate by a group of scientists. One of the populations is brown and the other is white. Predict what will happen over several generations.

• There will be equal numbers of brown and white rabbits
• There will be more brown rabbits that white rabbits
• There will be more white rabbits than brown rabbits
• There is no way to predict what will happen to the rabbit population

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The variations within a population will most likely be passed on to future generations if they are: 

• Due to a mutation and result in beneficial variations
• Due to a mutation and result in harmful variations
• Not due to a mutation and result in harmful variations
• Not due to a mutation and result in beneficial variations

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Members of a species can breed with other members of the same species.

• True

• False

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