Which level of organization in the classification system is directly above the family level

Ineed the definitions of all of these words nasap i will give 1o points to whoever awnsers

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

What are the ingredients of oobleck?