Directions: In this question, a statement is given followed by two conclusions numbered I and II. You have to consider the statement to be true, even if it seems to be at variance from commonly known facts. You are to decide which of the given conclusions can be drawn definitely from the given statement.

Statement: Vertebrates always occur in fossil records after the rise of invertebrates.

Conclusions:

I. Vertebrates could have evolved from the invertebrates.

II. Fossil records are not very reliable.