From fins to limbs
What were the first land dwelling, backbones animals?
What is tetrapods?
Where do fish breathe oxygen from?
What is their gills?
Which group did Acanthostega belong to?
What is the tetrapods?
What is the Carboniferous and Early Permian Periods sometimes called?
What is the “Age of Amphibians”?
What does Eyrops mean?
What is “long face”?
What did tetrapods evolve from?
What is lobe-finned fish?
What did creatures need to adapt to living on land?
What is air-breathing lungs?
What was the size of Acanthostega?
What is 3.3 ft?
What were the main large land animals during the time of the Carboniferous and Early Permian periods?
What is the amphibian tetrapods?
Where would Eyrops normally stay at?
What is a river or lake bed?
Were necks an advantage for land-living animals?
What is yes, (they were a great advantage)?
What is an example of lobe-fins that still exist today?
What is lungfish?
What motion did Acanthostega’s legs and toes give itself?
What is a thrusting motion?
What did some of these amphibians look like?
What is crocodiles?
How long was Eyrops?
What is 6.5 ft?
What did Eusthenopteron use its fins for?
What is it used it’s fins as legs (moved over land if waters dried out)?
What does breathing through skin limit?
What is an animal’s size?
How many toes did Acanthostega have on its front feet and rear feet?
What is 8 toes on the front feet, and 7 toes on the rear feet?
What is 3.3 ft?
What is the skull bones?
In Eusthenopteron, what made it similar to tetrapods?
What is the organization of bones in its front and rear fins?
Early tetrapods, such as Ichthyostega and Acanthostega, had gills and lungs, suggesting what conclusion?
What is the ability to breathe in both air and water?
Fossil remains of Acanthostega date back to which time period?
What is the Devonian Period?
Which animals began to take over at the time of the Middle Permian period?
What is the reptiles?
In what time period did Eyrops live in?
What is the Permian period?