provide 2 examples of how environmental changes effect animal adaptions.

As the Earth gets warmer, plants and animals that need to live in cold places, like on mountaintops or in the Arctic, might not have a suitable place to live. If the Earth keeps getting warmer, up to one–fourth of all the plants and animals on Earth could become extinct within 100 years. Every plant and animal plays a role in the ecosystem (for example, as a source of food, a predator, a pollinator, a source of shelter), so losing one species can affect many others. there is one

It changes the food that the animals eat, making it more varied. 
It also effects the habitat. Animals will go to a different habitat. 

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An advantage of an mri over ct scan is d. it produces better images of hard tissues. hope this : )