which phrase describes organisms that formed index fossils? are extinct had soft parts were generally large…
which phrase describes organisms that formed index fossils? are extinct had soft parts were generally large lived in a narrow geographic area
Answer
Brief Explanations:
Index - fossils are from extinct organisms. They are widespread geographically, short - lived in geological time, and usually have hard parts. They are not generally large and don't live in a narrow geographic area.
Answer:
are extinct