NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are fossils?
A
molds and casts of organisms that live today
B
drawings of ancient animals and other organisms
C
footprints or burrows of small animals that live today
D
the preserved remains or traces of organisms that lived in the past
Explanation: 

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: -Fossils: Fossils are preserved parts of dead organisms. This is the impression of once-living organisms on the earth. Examples of fossils are animal bones, shells, stone imprints, cast molds, etc.

Detailed explanation-3: -fossil, remnant, impression, or trace of an animal or plant of a past geologic age that has been preserved in Earth’s crust.

Detailed explanation-4: -The preserved traces of living organisms like plants, animals, insects from remote past are known as fossils. Study of fossils is known as paleontology. Fossils are studied to understand the process of evolution and to establish evolutionary relationships.

Detailed explanation-5: -Fossils are preserved remains or traces of organisms that lived in the past. Most preserved remains are hard parts, such as teeth, bones, or shells.

There is 1 question to complete.