✅ D. Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process.
Option A: Contain mainly unicellular organisms. Option B: Their contractile vacoule is respobsible for water regulation. Option C: They are even capable of sexual reproduction. Option D: Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process. Correct Answer : Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus… Read more