Answer:
Continuous variations are formed due to chance segregation of genes during gamete formation, crossing over and chance combination during fertilization. They can increase adaptability of the race but cannot form new species.
Answer: FOSSIL
A rock-like copy of a plant,a feather,or a bone(natural things) is a FOSSIL
Explanation: Fossil can be defined as the preserved remains or trace or impression from a plant or animal that pre-existed in history or geological age,these remains are preserved in petrified form in the earth crust.
Fossils serves as the primary source of information about the history of life of a plant or animal on earth.
They are studied by archeologists.
The five types of fossils are; Carbon Fossils,Trace fossils, Body fossils, Molecular fossils and Pseudo fossils.