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.

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called