Here are the answers to your questions:
Question 1:
Which kingdom contains members that are so diverse that their only shared trait is the fact they have a nucleus and membrane-bound organelles?
c. Protista
Question 2:
Which sequence is in the correct order from the least specific to the most specific?
b. Domain→Kingdom → Phylum → Class → Order → Family → Genus → Species
Question 3:
In the scientific naming structure, the genus name of an organism is located/written
a. first, beginning with a capital letter.
Question 4:
Which of the following is the highest (most inclusive) level of Linnaean classification?
b. phyla (Note: The term "phyla" should be plural, as "phylum" is the singular form and "Domain" is actually the highest level, which is not an option listed.)
Question 5:
Canis familiaris (dogs) and Canis lupus (wolves) are a different
d. species.
If you have any further questions, feel free to ask!