please help me answer problems #1-5. thank you! 1. Today's lungfishes in the Amazon rain forest do not have lobefins, but neverthelessare regarded as close relatives toChoose a or ba. early tetrapods.b. Pikaia.2. Amphioxus serves as a modern, living analog for the extinct cephalochordateChoose a or ba. tunicate.b. Pikaia.3. Devonian fish moved into freshwater habitats approximatelyChoose a or ba. 400 million years ago (mya).b. 540 million years ago.4. Bone probably first evolved toChoose a or ba. provide fish with jaws in order to be fearful predators.b. store calcium to provide strong muscle power when releasedto the bloodstream.5. The earliest tetrapods first emerged from shallow water habitatsChoose a or ba. around marine (salt water) coastlines.b. in freshwater swampy areas.

Note: Please post other questions separately. Answer: 1. Introduction: Amazon is one of the greatest…

Answered: 1. Today's lungfishes in the Amazon…

1. Today's lungfishes in the Amazon rain forest do not have lobefins, but nevertheless are regarded as close relatives to Choose a or b a. early tetrapods. b. Pikaia.

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter24: Animals Ii: The Chordates

Section: Chapter Questions

Problem 12SA: Match the organisms with the appropriate description. ___ tunicates a. pouched mammals ___ fishes b....

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Question

please help me answer problems #1-5. thank you!

1. Today's lungfishes in the Amazon rain forest do not have lobefins, but nevertheless
are regarded as close relatives to
Choose a or b
a. early tetrapods.
b. Pikaia.
2. Amphioxus serves as a modern, living analog for the extinct cephalochordate
Choose a or b
a. tunicate.
b. Pikaia.
3. Devonian fish moved into freshwater habitats approximately
Choose a or b
a. 400 million years ago (mya).
b. 540 million years ago.
4. Bone probably first evolved to
Choose a or b
a. provide fish with jaws in order to be fearful predators.
b. store calcium to provide strong muscle power when released
to the bloodstream.
5. The earliest tetrapods first emerged from shallow water habitats
Choose a or b
a. around marine (salt water) coastlines.
b. in freshwater swampy areas.

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