Describe the sequence of events in the lithification of sandstone?

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?

Which of the following describe the role a biochemical pump plays in active transport? a it prevents water from moving across the cell membrane. b it uses energy to move materials across the cell membrane against the concentration gradient. c it large molecules cross the cell membrane without using energy. d it a cell move molecules from an area of higher concentration to an area of lower concentration.

If, on average, 46% of the loci in a species' gene pool are heterozygous, then the average homozygosity of the species should bea) 23%.b) 46%.c) 54%.d) there is not enough information to say.