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The species could not adapt quickly enough to their changing environment to survive.
Generalized
If the species environment is not the way the species needs it to survive then the species will become extinct. for example, if doesn't have any trees, then it cant survive.
If the species environment is not the way the species needs it to survive then the species will become extinct. for example, if doesn't have any trees, then it cant survive.
If the species environment is not the way the species needs it to survive then the species will become extinct. for example, if doesn't have any trees, then it cant survive.
Adaptaion
If the species environment is not the way the species needs it to survive then the species will become extinct. for example, if doesn't have any trees, then it cant survive.
become extinct.
If the species environment is not the way the species needs it to survive then the species will become extinct. for example, if doesn't have any trees, then it cant survive.
Hats off to Sir Charles Darwin for his theory of evolution! Variations are very important to species. Some of the variations are more suitable for the species to survive. You get new species with time by selection of the better ones.
Environments are constantly changing, so the organism must adapt. Sexual reproduction ensures genetic diversity in the progeny. If one or a few of the progeny have new traits that can help it survive in its changing environment, it is more likely to reach adulthood and reproduce. If a species becomes isolated, or reproduces asexually it will not adapt to its environment, its traits will be exact copies of its parents and the species will eventually go extinct, that particular scenario only works in areas where the environment is stable and not subject to change.