Why are members of the Kingdom Plantae important to members of other kingdoms?

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?