B. Two alleles control a Mendelian trait such as pea seed color
Answer:
Carbon moves from living things to the atmosphere. Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants need to get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.
Explanation:
Cell walls are supporting structures that help the plant to have a fixed shape and protect it from injury,animal cells do not need to keep the structures because they have the skeletal system to protect the organs and cushion them against any external injuries.