Remaining Time: 29 minutes, 45 seconds. * Question Completion Status:A ns The re
ID: 60330 • Letter: R
Question
Remaining Time: 29 minutes, 45 seconds. * Question Completion Status:A ns The reason that a column of water in a tall tree does not sink because of its weight is O bubbles form that are too large to be transported the tensile strength of a column of water O the venturi effect of air flowing through stomata O the formation of hydrogen bonds with the plant's vessels O the presence of strong ion concentrations near the top of the tree QUESTION 2 2 points Save Answer True or false: Lungs are a synapomorphy of the tetrapods. OTrue, because all tetrapods and only tetrapods have lungs. False, because lungs are present in several groups of bony fish. True, because all tetrapods inherited lungs from their common ancestor. OFalse, because lungs are not homologous in all tetrapod groups.
Explanation / Answer
Q1. 4. The formation of hydrogen bonds with the plant's vessels
Q2. 2. False, because lungs are present in several groups of bony fish
Q5. 5th option
Q3. 4. There is no mixing of oxygenated and deoxygenated blood in the heart
Q4. 3. This statement is not accurate. Xylem mainly transport water and nutrients (not materials). Phloem mainly transports sap rich in sugar.