60 LR One Question 9
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The first thing that came to mind was the # to %. IDK if I'm thinking too deep, but i assumed just because same area doesn't mean the same # of plants. No?

Sure; it doesn't say when the studies were conducted, so it's possible there were more of the plants when they did the later study (or vice versa).
Not certain how that helps, but it is a possibility.

Because I chose A where it mentions the first study had more plants vs the patterened def.

Oh no! It seems you've confused numbers with percentages. Even if there were more plants during the first test, that doesn't explain why the proportion changes—this is classic Proportion Confusion!

I'm just trying to grasp why answer choices that are appealing are wrong.

The best way to avoid that is to understand what constitutes a right answer, and supply it ahead of time. When you know what you're looking for, you won't be so easily taken in by bad answers!

I selected B as my answer. I thought that it was the best option to address both studies. Similar to D where it explains why the first study had a higher percentage that the other. Can you give me specific feedback why B isn't a viable option? From your description it sounds like both B and D address why the first study got a larger sample than the second. Thanks!

Ah, but notice in the passage that the second study found fewer patterned stems in that species.
So it doesn't really matter how many other species the first study looked at, it still wouldn't explain the difference among plants of that species.
Make sense?

Got it. Devil in the details. Thanks for clarifying.