Which statement best compares a dolphin and a mushroom? Both need blood and food. Both need food and air. Both need lungs and air. Both need lungs and blood.

This is so important ugh its 25 points

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere