OBJECTIVE LIFE SCIENCE
EVOLUTION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
only fossils of extinct species
|
|
|
all the fossils ever made
|
|
|
only the fossils that scientist have uncovered
|
|
|
None of the above
|
Detailed explanation-1: -Fossils are the preserved remains of plants and animals whose bodies were buried in sediments, such as sand and mud, under ancient seas, lakes and rivers. Fossils also include any preserved trace of life that is typically more than 10 000 years old.
Detailed explanation-2: -The fossil record helps paleontologists, archaeologists, and geologists place important events and species in the appropriate geologic era. It is based on the Law of Superposition which states that in undisturbed rock sequences the bottom layers are older than the top layers.
Detailed explanation-3: -Answer and Explanation: According to a worldwide, interactive map of dinosaur fossil discoveries, over the 15, 000 different fossils have been discovered so far. This includes more than 8, 000 different excavation sites and over 2, 000 different types of dinosaur fossils found.
Detailed explanation-4: -fossil record, history of life as documented by fossils, the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock.