Question

The time span that a species exists can be seen as a "column" extending through the rock

layers. Once a species becomes ___________,
it disappears from the fossil record
and this column ends.

A) extinct
B) endangered
C) fossilized
D) burled

Answer 1

B) Endangered

Step-by-step explanation:

I just finsished the quiz with the same answer and it was endangered

Answer 2

The correct answer is A.) Extinct