While at the shore, you and your friend maria find a nest containing the fossilized remains of an animal. the nest, covered with sand, contains the skeleton and six preserved eggs. maria believes you have discovered a bird nest. you believe it is a turtle nest. what evidence would support maria's claim that the fossilized remains are that of a bird, class aves, instead of a turtle, class reptilia? a) the eggs b) a backbone c) a keeled sternum d) warm-bloodedness

To answer the question, they should examine the skeleton or the fossilized remains of the animal.

Turtles have tough, bony shells, like a suit of armour that protects their body. It has a carapace (domed top) and a plastron (flat layer underneath the belly). The backbones of the turtles are fused to the bones in their shells.

On the other hand, birds have a lightweight skeleton that is made of mostly thin and hollow bones. If the skeleton has a keeled sternum, or the breastbone what they discovered is most likely a bird's nest.

The answer is C.

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