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How do fossils help explain the theories of evolution?
Fossils give us a lot of information about species which used to exist on Earth but which are now extinct. With this information we can see in greater detail how species have evolved over time.
What has happened to the majority of species whose fossils are found in rock?
extinct.
Naracoorte caves fossils. are they extinict or evolved?
Both! The fossils within limestone holding caves are of long-extinct animals, but they had still evolved to the species preserved as fossils.
How do fossils show how organisms have evolved through time?
Fossils provide valuable evidence of how organisms have evolved over time. By studying the structure, shape, and characteristics of fossils, scientists can observe unique features that have changed or stayed the same. Fossils also help in understanding the transition from one species to another and provide a record of extinct species, giving insights into the diversity of past ecosystems and the evolutionary journey of life on Earth.
Most of what scientific know about extinct species is based on?
Most of what scientists know about extinct species is based on the study of bones and fossils. Scientists have studied many dinosaur bones to determine what they ate and how they lived. Fossils tell what the land was like at a given time in history.
How do fossils that form in different rock layers provide evidence of evolution?
Fossils' existence confirms that species are not fixed but can evolve into other species over time
How do fossils that formed in different rock layers provide evidence-of evolution?
Fossils' existence confirms that species are not fixed but can evolve into other species over time
What happens when animals extinct?
They can be studied from fossils but the species or animal is no longer present. Hopefully there is no extinction to any animals.
How do scientist obtain information about extinct species?
Paleontology is the study of fossils, which are the remnants of "hard anatomy" such as bones and teeth. Fossils are analyzed and classified to learn more about morphology (form and structure) of a species and interpretation is done to fill in the gaps that we would have no way of knowing with an extinct species. There are around 9 different fields of paleontology with different areas of expertise. Palentology works by incorporating knowledge from biology, geology, ecology, anthropology, archaeology, and computer sciences.
How do scientists know that KT extinction took place?
When we see that there are fossils found in a certain geological layer, which are evidence that a certain species existed at that time, and then in the next geological stratum we no longer find those fossils, and there is no evidence that the species which used to exist still exists, we infer that the species became extinct. If a whole lot of species become extinct at approximately the same time, we call that an extinction event, such as the KT extinction.
How does the study of fossils represent the evolution of species over geological time?
The study of fossils represent the evolution of species by the time period between when they became fossils and what the ancestory line is
When no living member of a species exist the species?
when there are no living members of a species the species is said to be "extinct".
