1. Tetrapods are . Examples of tetrapods include , , and .
2. Tetrapods first appear in the fossil record million years ago.
3. Charles Darwin predicted that tetrapods evolved from . What observation leads to that hypothesis

Analogy- 1 is to arete as 5 is to cirque horn glacial valley hanging valley

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.