A plant shows thallus level of organization. It shoes rhizoids and is haploid. It needs water to complete its life cycle because of the male gametes are motile. Identify the group in which it belongs to.

Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other?

There are 4 shells in the element X. The 3d subshell of X contains 6 electrons. (symbol is not real) a. Write down the complete subshell electronic configuration of X. b. Identify the Group and block. c. Write two characteristics of the elements in which X is included? d From which subshell does this element loses its electrons to show +2 oxidation state?