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What does it mean for a species to be in stasis The species is not changing much. The species is only found as fossils. The gene pool of the species is changing rapidly. The species is in geographic i?
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How do fossils show changes in related species?
Fossils are used to show changes because they are permanent. These fossils are also old and show evolutionary changes in species alive today.
What have scientists learned about past life on earth from the fossil record?
Scientists have learned about extinct species, what they looked like, their geographic distributions, their relative abundances, how they lived, and their period of existence.
What do fossils reveal about changes in species over time?
The changes in different species penis sizes.
What happened to the species that are now used as index fossils?
they are used
What has happened to the majority of species whose fossils are found in rock?
extinct.
Where have fossils been found of Homo ErectusBased on where the fossils have been found what does this tell us about Homo Erectus?
Fossils of Homo erectus have been found in Africa, Asia, and Europe. The distribution of these fossils suggests that Homo erectus had a wide geographic range and was able to adapt to different environments. This indicates that Homo erectus was a successful and widespread early human species.
If species didn't change what type of fossils would we see?
If there was no change in species over time, then all fossils of that species would be identical.
Why are pest species likely to be extreme R-selected species?
Because of their inability to reproduce rapidly, "k"-selected species tend to be more sensitive to change and are, therefore, less able to adapt to a rapidly changing environment. This is what makes them susceptible to endangerment. - See more at: http://www.chacha.com/question/why-are-pest-species-likely-to-be-extreme-r%26%2345%3Bselected-species#sthash.E2Anrl2s.dpuf
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
Is geographic barriers guarantee the formation of new species?
Yes, geographic barriers guarantee the formation of new species.
What does it mean for a species to be be in stasis?
the answer is: The species is not changing much.
How do fossils show changes in related species?
Fossils are used to show changes because they are permanent. These fossils are also old and show evolutionary changes in species alive today.
What is a fossil that can be used as a marker in time called?
Index fossils (also known as guide fossils, indicator fossils or zone fossils) are fossils used to define and identify geologic periods (or faunal stages). They work on the premise that, although different sediments may look different depending on the conditions under which they were laid down, they may include the remains of the same species of fossil. If the species concerned were short-lived (in geological terms, lasting a few hundred thousand years), then it is certain that the sediments in question were deposited within that narrow time period. The shorter the lifespan of a species, the more precisely different sediments can be correlated, and so rapidly evolving types of fossils are particularly valuable. The best index fossils are common, easy-to-identify at species level, and have a broad distribution-otherwise the likelihood of finding and recognizing one in the two sediments is minor. --- Wikipedia
What will koalas be like in a few million years?
probably turned into fossils deep in the ground because they would be extinct. OR. . . They will have evolved into an entirely different species to adapt to the changing climate.
What have scientists learned about past life on earth from the fossil record?
Scientists have learned about extinct species, what they looked like, their geographic distributions, their relative abundances, how they lived, and their period of existence.
Which layer is most likely to contain fossils that resemble existing species?
new layer of the fossils
What size is the geographic range of the species?
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