The following diagram shows the branching tree for four kingdoms and some of their shared derived characteristics. What shared characteristic can be written at point X? Use complete sentences to explain your answer.

What do nitrifying bacteria convert

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits