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An animal keeper is studying X-rays of two animals, as shown. X-rays show the internal structures of an animal.



Which statement is best supported by the X-rays?

Animal Y has an outer skeleton, and animal Z has a spiny covering.
Animal Y has a spiny covering, and animal Z has an outer skeleton.
Animal Y is a vertebrate, and animal Z is an invertebrate.
Animal Y is an invertebrate, and animal Z is a vertebrate.


An animal keeper is studying Xrays of two animals as shown Xrays show the internal structures of an animal Which statement is best supported by the Xrays Animal class=

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AlpenGlow
Animal Y is an invertebrate, and animal Z is a vertebrate. 

An x-ray can produce images of structures found inside the body. Based on the image, you can see that Animal Z has a backbone, which is a series of small bones called vertebrae that extend from the head. Animal Y does not have that structure. 

Vertebrates are organisms that have a backbone and invertebrates are organisms that lack one. 
micahholloway10

Answer:

D: Animal Y is an invertebrate, and animal Z is a vertebrate.

Explanation:

Animal Y is an invertebrate because it does not have a spine, and animal Z is a vertebrate because you can see in the X-Ray that it has a spine. Edge2020

Stay safe, good luck!

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