The answer is C,carbohydrates
Answer:
C.were formed at the same time.
Explanation:
If the same index fossils occurred in two separate rock layers, the two rock layers would probably have been established at the same time. Index fossils aid the characterizing and classify of geologic period.
Predict the results of genetic crosses
Answer:
- They have dorsal nerve chord.
- They have pair gilled pouches.
- They breathe through gills.
- They have a notochord.
- They are coelomate.
Explanation:
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Brainliest would be nice
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