PT149.S3.Q10

PrepTest 149 - Section 3 - Question 10

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The prehistoric fish Tiktaalik is the earliest known animal with fingers. █████ ██████████ ████ ██ █████ █████ ███████████ ████ ████████ █████████ █████ ███ ████ █████ ███ ██ ███████ ██ ███ █████ ████████ ███████████ ███████ ████ ██ █████████ ███████████ ██ ██████ █████████ ███████ ██ ██ ██████ ████ █████████ ██ ██ ████████ ██ ███ ████ ████ ███████ ████ ████████

Summary

Tiktaalik is a prehistoric fish. Tiktaalik is the earliest known animal with fingers. Tiktaalik would not have stood out as unusual since variations were great among prehistoric fish. Tiktaalik is likely an ancestor to the land animals that have fingers.

Strongly Supported Conclusions

Land animals with fingers today likely trace their ancestry back to a prehistoric fish. Comparing Tiktaalik to other fish at its time would not reveal its evolutionary importance.

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10.

The statements above, if true, ████ ████████ ███████ █████ ███ ██ ███ ██████████

a

Tiktaalik likely used ███ ███████ ██ ████ ██ █████

b

Tiktaalik's fingers were ███ ████ ███████ ██ ████ █ ███████████ ████ ██ ███ ███████████ ██ ██████ ████ ████████

c

Tiktaalik is not ███ ████████ ██ ███ █████████ █████████ ████ ████████

d

No fish without ███████ █████ ████ ██ ████ ██ ████ ██ █████

e

The evolutionary significance ██ █████████ █████ ███ ██ ██████████ ████ ███████ ██████████ ██ ████ ███████ ██ ███ █████

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