C. Sexual reproduction is advantageous over asexual reproduction because it allows snails to have genetic variation.
Answer: By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other. Often we can work out how and where they lived, and use this information to find out about ancient environments. Fossils can tell us a lot about the past.
Answer:
These woolly mammoths were not closely related to mastodons. Mammoths and mastodons may have once roamed the Earth together, but they represent two distinct species of the Proboscidean family. ... Mammoths and modern elephants are closely related members of the same family (Elephantidae).
Explanation: