1 Collegedata.com says, âThe College Board reports that the average cost of room and board in 2014â2015 ranged from $9,804 at four-year public schools to $11,188 at private schools,â but doesnât break down whatâs room and whatâs board.2  A USA Today article quotes the same figures. Collegedata.com says, âThe College Board reports that the average cost of room and board in 2014â2015 ranged from $9,804 at four-year public schools to $11,188 at private schools,â but doesnât break down whatâs room and whatâs board. 2  A USA Today article quotes the same figures.
B. Leaves is a modification into the spine in a cactus plant. they are modified leaves. Being narrow and sharp not only helps defend the plant but also the reduced surface area helps limit water loss. [ [ ] ]. Expert answered| patmarone |Points 5452|.
Little Surprise Canyon and Glorietta Canyon are great places to see Barrel Cactus. Interesting Facts: The spines of a cactus are actually modified leaves. The main part of the plant is the stem. Did you Know? The spines of a cactus help to shade the green part of the plant from the sun. A barrel cactus will get skinnier when there is little water available and then plump back up when it has absorbed water. These are all adaptations to help it survive. Many animals eat the barrel cactus or its fruit, including desert bighorn sheep and antelope ground squirrels. It is also an important source of nectar for bees.