The tundra biome has permafrost
Answer:
Explanation:
The five major types are:
Predation
Mutualism
Parasitism
Competition
Commensalism
Answer:
C4 plants—including maize, sugarcane, and sorghum—avoid photorespiration by using another enzyme called PEP during the first step of carbon fixation. ... PEP fixes carbon dioxide into a four-carbon molecule, called malate, that is transported to the deeper bundle sheath cells that contain Rubisco.
Explanation: