Trilobites are index fossils because they ____.
a.
changed slowly through time
c.
exhibit specific characteristics
b.
lived over large areas of the world
d.
all of the above

Question

Trilobites are index fossils because they ____.
a.
changed slowly through time
c.
exhibit specific characteristics
b.
lived over large areas of the world
d.
all of the above

keigh2015 · Answer

It's D

gottennis121 · Answer

Please no direct answers, Zach. :)

keigh2015 · Answer

Ok, sorry.

gottennis121 · Answer

The reason that it is D is because I know it is takes a long time for any fossil to decay and change, but also that they are all around the world. So, it must be D. :)