What is the best definition of an appositive? O a nonrestrictive phrase that modifies a noun
O a clause that modifies or explains a noun
• a noun or noun phrase that modifies a noun
• a noun clause that restricts the meaning of a noun

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

According to the cladogram, which organisms have roundworms as a common ancestor?

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