What is the definition of ecosystem? A. group of interacting populations in a defined place and the nonliving factors that affect them

B. all the members of one species living in one place and time

C. all the animal and plant species within a geographical area

D. classification for a broad type of habitat, such as savanna or tropical forest

Which of the following are characteristics of soft money? i. donations from individuals and interest group pacs ii. unregulated by the federal election commission iii. goes directly to a political candidate iv. can be used for advertising or other campaign expenses a. i, ii, iii, and iv b. i and ii only c. i, iii, and iv only d. ii, iii, and iv only\