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Once an organism disappears from the sequence of rock layers it becomes extinct?
Wiki User
∙ 15y ago
A fossil is proof that an animal existed at one time, leaving evidence in rock. If that fossil does not appear in successive layers, there is no proof that the organism existed beyond its fossil record, and it is considered to have gone extinct.
Wiki User
∙ 15y ago
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What is the extinct marine organism that can be used to date rocks?
There are many, but the trilobite is considered an exceptional index fossil.
What type of organism is no longer exists and will never again live on earth?
There are many organisms that once lived on Earth but have since gone extinct. Some examples include every species of dinosaur, dodo birds, and golden toads.
What eventually happens to a species when the environment changes and the organism do not adapt?
it doesn't grow normaly
What is the effect of pollution on endangered species?
Extinct or threathening the species to extinct
What would happen if all of the primary consumers became extinct?
If all of the primary consumers became extinct then anything above that tier would also become extinct. However the producers would thrive.
When a species permanently disappears the species is said to be what?
It becomes extinct.
What happens to the food web if an organism becomes extinct?
If an organism becomes extinct, the food web collapses. Every organism is needed for it to function properly.
What differences does it make if an organism becomes extinct?
That is, the last individual in the population dies, and the organism is gone forever.
When a species permanently disappears the species is said to be?
When a species permanently disappears the species is said to be extinct.
When a species disappears permanently?
Extinct.
What is it called when an animal disappears from an area?
extinct
What becomes extinct?
Any living thing can become extinct.Extinct means that this organism no longer exists. This can happen to any type of living organism(or non-living organism, if you are talking about viruses). if you are refering to a human being the person has to die before that person is extinct
What happens when the death rate is higher than the birthrate?
population increases
What is the genus and species of an extinct organism?
It depends on the organism.
What is an organism no longer living in science?
It is an extinct organism.
Why does an organism have to reproduce?
the organism has to reproduce otherwise the species will go extinct.
Fing the genus and species of a living or an extinct organism?
it depends on what organism
