Answer:
Asian Carp. Asian carp are fast-growing, aggressive, and adaptable fish that are outcompeting native fish species for food and habitat in much of the mid-section of the United States.
In a cactus, carbon is fixed only during the day. this is because cacti need sunlight to perform photosynthesis. Have a great day :)
Energy in the initial form of glucose is used with oxygen to produce carbon dioxide, water and energy in the form of ATP which is taken up by the cell in order to perform cellular processes.
Both food chains and food webs contain plants and animals so it is not A.
Food chains separate by trophic level not food webs so it is not B
***Food chains show energy flow by each trophic level and food webs do not therefore it is C***