The formation of a zygote and a cell with a triploid nucleus is unique to flowering plants. What is this process called?

Water flows into the source end of a sieve tube because

Plant and animal development share a number of features, but differ in major ways. Which of the following is a key difference between plants and animals?

Which of the following occur during the formation of an embryo from a zygote in angiosperms? I. The root and shoot systems emerge from the seed.II. The basal cell forms a suspensor that provides a route for nutrient transfer between the parent plant and the developing embryo.III. Meiosis produces a mass of cells that become the young embryo.IV. Cells differentiate to form the basic plant tissue types.V. The early root-shoot axis is formed.

Which of the following is the part of a flower that contains the female gametophyte?

What is the driving force for the movement of solutes in the phloem of plants?

Which of the following best characterizes the dicots?

Which of the following mechanisms best explains how xylem sap moves up against the downward pull of gravity?

Movement of xylem sap from roots to leaves

________ is to xylem as ________ is to phloem.