Which of the following conditions is necessary for a species to survive? a. All its organisms must reproduce.
b. Some of its organisms must reproduce.
c. All of its organisms must live in the same place.
d. All of its organisms must live to old age.

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.