Answer:
B
Explanation:
food source deals with agriculture aka farming
The kidneys remove any waste that is not needed in ur body then ur bladder lets all the waste out
Answer:
Hello
To maintain homeostasis, unicellular organisms grow, respond to the environment, transform energy, and reproduce. A single-celled, or unicellular, organism does everything you would expect a living thing to do.
Cell mutation could be a possible option