fossils part 2

ferns fossils indicates that the environment , where they live was ............and rainy ..............environment

coral fossils indicate that the environment where they live was ..........warm and .............seas

By studying the fossil record , it shows that the ............started first in..........then established on ............

Fossils are important for studying.............and figuring out the..............

fossils of organisms that had lived a short period time in the past and had a wide geographic distribution

The sequence of fossils in sedimentary rocks layers according to their sequence of appearence from simple to complicated