Answer:
Option D
Fish
Explanation:
The characteristics of index fossil is distinctive, widespread, abundant, and limited in geologic time. Ammonites fit these demands well and are the best-known fossils that have been widely used for this.
Thus, The answer is Fish
The asthenosphere and the lithosphere are parts of the Earth's geosphere. The correct answer is A.
Sea floor leveling.
Hope this helped, have a great day! :D
It means a distant or remote family, meaning they aren't very close.
