Tusklessness

What is tusklessness?

• When an elephant has its tusks taken away

• When an elephant is born without tusks

• When an elephant has tusks

• When an elephant dies

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What are tusks?

• Long teeth that help elephants dig and fight

• Long teeth that help elephants eat other animals

• Long teeth that don't help elephants at all

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Which is an example of a selective pressure?

• Pressure for turtles to have longer necks so they can reach their food

• Pressure for turtles to eat meat

• Pressure for turtles to have shells

• Pressure for turtles to be herbivores

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What does survival of the fittest mean?

• Animals with the most muscle live

• Animals that live in groups live

• Animals that are fit for their environment are more likely to survive and reproduce

• Animals that workout are more likely to survive and reproduce

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Which animal do you think would be the most fit for its enviornment?

• A bunny with a broken leg

• A giraffe with a very long neck in an area with high trees

• A monkey that lives by itself

• A desert jackrabbit that was moved to colorado

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How does an elephant become tuskless?

• It is killed

• It is born without tusks

• It decides not to have any tusks

• They fall off at a certain age

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Who do we get our genes (traits) from?

• We make our own in our DNA

• Our siblings

• Our parents

• We decide what our traits are

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Why did the percentage of elephants that were tuskless increase over time?

• More elephants decided to be tuskless

• The tuskless elephants were able to reproduce and pass the trait down

• More elephants had their tusks fall off

• The tuskless elephants all died

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Why is being tuskless an advantage?

• Elephants don't need their tusks so it doesn't matter

• There is no advantage to being tuskless

• Elephants don't have to worry about brushing their teeth

• Elephants won't be targeted by human poachers because they don't have ivory (tusks)

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Why is being tuskless a disadvantage?

• Elephants don't need their tusks so there is no disadvantage

• Elephants won't be able to protect themselves without them

• Elephants won't look cool without tusks

• Elephants have to clean their tusks

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