The sierra nevada mountains display diverse vegetation on their western side, but barren desert on their eastern side. why does this difference exist?
urban heat island effect
lake effect snow
rainshadow effect
transpiration effect

Which level of consumer had access to the smallest apply of energy

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant. it produces food. it absorbs nutrients. it supports the plan