According to Fossil Evidence,Tiktaalik Either Crawled or Paddled in Shallow,tropical

question 8

Multiple Choice

According to fossil evidence,Tiktaalik either crawled or paddled in shallow,tropical streams,approximately 380 mya.These streams may have occasionally become anaerobic,but fossil structures in Tiktaalik indicate it could have what adaptation or selective advantage in these conditions?

• A) It could swim better than fish with the adaptation for both gills and lungs.
• B) It could lift and support its head to breath air with its lungs.
• C) It could easily crawl long distances to find new water habitats when needed.
• D) It could feed equally well on aquatic foods, and terrestrial foods.

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