Whenwas the oldest unmistakable evidence of life on land?
What are two main characteristics that plants developed in order to adapt to living on land?
What is the name of one of the first land plants? (a tiny rootless, leafless plant; only a few cm high)
Early=6ft; Late=60ft (the largest land plants)
Describe the Carboniferous period.
True or False: Only hard parts of organisms are preserved in ironstone concretions.
Name two successful marine groups that have never adapted to life on land.
cnidarians and echinoderms
since the Cambrian
"StudyBlue is great for studying. I love the study guides, flashcards and quizzes. So extremely helpful for all of my classes!"Alice , Arizona State University
"I'm a student using StudyBlue, and I can 100% say that it helps me so much. Study materials for almost every subject in school are available in StudyBlue. It is so helpful for my education!"Tim , University of Florida
"StudyBlue provides way more features than other studying apps, and thus allows me to learn very quickly!Â I actually feel much more comfortable taking my exams after I study with this app. It's amazing!"Jennifer , Rutgers University
"I love flashcards but carrying around physical flashcards is cumbersome and simply outdated. StudyBlue is exactly what I was looking for!"Justin , LSU