LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is a fossil?
A
a plant that has recently died
B
a group of organisms that can reproduce
C
a structure or organ that no longer functions
D
a trace of an organisms that existed in the past
Explanation: 

Detailed explanation-1: -Trace fossils are rocks that have preserved evidence of biological activity. They are not fossilized remains, just the traces of organisms. The imprint of an ancient leaf or footprint is a trace fossil.

Detailed explanation-2: -What is a fossil? 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-3: -Ichnofossils, also known as trace fossils, are geological records of the activities and behaviors of past life. Some examples include rock evidence of nests, burrows, footprints, and scat. These fossils are different from body fossils that preserve the actual remains of a body such as shells or bones.

Detailed explanation-4: -Name five kinds of trace fossils. Burrows, coprolites, tracks, trails, nests and footprints are examples of trace fossils.

There is 1 question to complete.