Genetic Variation Video Lessons

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Problem: Ancestors of giraffes with shorter necks could not reach branches high up in trees for food. This led to ____ for longer necked giraffes. a.  Stabilizing selectionb.  Disruptive selectionc.  Artificial selectiond.  Sexual selectione.  Directional selection

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Problem Details

Ancestors of giraffes with shorter necks could not reach branches high up in trees for food. This led to ____ for longer necked giraffes. 

a.  Stabilizing selection

b.  Disruptive selection

c.  Artificial selection

d.  Sexual selection

e.  Directional selection

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Genetic Variation concept. You can view video lessons to learn Genetic Variation. Or if you need more Genetic Variation practice, you can also practice Genetic Variation practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofAncestors of giraffes with shorter necks could not reach bra...as low difficulty.

How long does this problem take to solve?

Our expert Biology tutor, Kaitlyn took 4 minutes and 43 seconds to solve this problem. You can follow their steps in the video explanation above.