Which of the following best characterizes the monocots?
Which of the following is the selective barrier of a root th…
Which of the following is the selective barrier of a root that determines which substances pass between the cortex and vascular tissue?
The dominant type of tissue that makes up most of the wood o…
The dominant type of tissue that makes up most of the wood of a tree is
The formation of a zygote and a cell with a triploid nucleus…
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
Water flows into the source end of a sieve tube because
Plant and animal development share a number of features, but…
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 embr…
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…
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…
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 best characterizes the dicots?