Answer;
The geographic events during mesozoic Era;
-formation of the Rocky Mountains begins
-Innuitian Mountains formed
-shallow seas in the interior of North America at times
Explanation;
-This Era is the second of Earth’s three major geologic eras of Phanerozoic time.
-Mesozoic Era began 252.2 million years ago, following the conclusion of the Paleozoic Era, and ended 66 million years ago, at the dawn of the Cenozoic Era.
Channel proteins help large molecules pass through the cell membrane.
I believe its 180*180 but i may be wrong. sorry if i am :(
Commensalism- A whale and barnacles
Mutualism- The Oxpecker and the Rhino, the rhino provides a place for the Oxpecker to perch, while the Oxpecker eats all the bugs and parasites off the rhino.
Parasitism- A tick on a deer, and potentially harming the deer. The tick gains while the deer loses.