PT13.S2.Q06 - the distance that animals travel each day

Seriousbird

I eliminated B and D and chose C. I am really stumped on the reasoning for this. I picked C because I thought the loss of teeth and traveling at the back of the herd could be correlated with: groups they live in-->diets--->size and shapes of face.

Can someone help me understand this reasoning? Please!!?

c.janson35

So we know that group size and distance traveled is highly correlated with diets, and diets depend in large part on, or are a function of, teeth/face shape.

Putting these two relationships together, we have enough information to infer that teeth/face shape can provide information about an animals group size/distance traveled (because if the first two are highly correlated, and diet depends on teeth/face size, then the first phenomena is correlated with the last). This is how we end up with answer choice E! Because being a herd animal is a way of saying an animals group size/distance traveled.


C is incorrect because we don't have any information where animals travel in their respective herds. There's no support for a spatial inference like this.

Hope this helps!