B) Vacuoles allow water to enter and exit the paramecium.
Selective breeding is something only ascended organisms can adapt to. Us humans use selective breeding. Animals without complex language, artistic capabilities, etc, are unable to adapt to C.
D is your answer.
They all breathe oxygen
Their body is full of water
Hope this helped :D
Answer:
C - Ammonia
Explanation:
Ammonia is a highly toxic compound that is detrimental to one’s body. This toxic compound is often, and must be transformed into urea (uric acid) before being excreted from the body.
