Question

based on the table, which modern organism shares more traits with asterotrygon?
ribbontail ray
european plaice
asterotrygon ribbontail ray european plaice
four legs

a wide tail fin

a long, thin tail
spots on its skin

Explanation:

Step1: Count traits for ribbontail ray

We have no information marked for ribbontail ray, so the number of shared traits is 0.

Step2: Count traits for European plaice

We have no information marked for European plaice, so the number of shared traits is 0.
Since there is no data indicating any trait - sharing for either organism, we assume they share an equal (zero) number of traits. But if we consider the default situation where we need to choose one, we note that without any positive - sharing information, we can't really say one shares more. However, if we have to pick based on the given options, we might consider the fact that there is no negative indication against either. So, we'll just go with the first option in the list.

Answer:

ribbontail ray