AP BIOLOGY

EVOLUTION

EVIDENCE FOR EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are fossils?
A
Are the remains or evidence of once-living organisms
B
Is the change over time in populations of related organisms
C
A chart that divides Earth’s history into different time units
D
Occurs when the last individual organism of a species dies
Explanation: 

Detailed explanation-1: -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-2: -Fossils are the remains or traces of ancient life that have been preserved by natural processes. Examples of fossil include shells, bones, stone imprints of animals or microbes, exoskeletons, objects preserved in amber, petrified wood, coal, hair, oil, and DNA remnants.

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: -Fossils are evidence of organisms that have existed. The fossils may consist of clues about the organism, such as its tracks or feces, or they may be a part of the organism, such as a bone or other body part. Fossils give scientists clues about the structure and lifestyle of the organisms.

Detailed explanation-5: -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.

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