A farmer decides to use a crop rotation plan that plants corn one year, peanuts the second year, and soy beans the third year. Then he will start the rotation over with corn. The most likely reason for this type of crop rotation is to replace the soil's content.
A. calcium
B. potassium
C. nitrogen
D. phosphorus
E. water
C. nitrogen
You might also like to view...
True or False: Only humans have a biological clock
A. true B. false
Answer the following statements true (T) or false (F)
1. Glycolysis involves 10 enzyme-catalyzed steps, that can be grouped into three phases: energy investment phase, cleavage phase, and the energy liberation phase. 2. The electron transport chain consists of a series of redox reactions in which electrons are transferred to oxygen as the final electron acceptor. 3. Oxygen is an excellent final electron acceptor because of its low electronegativity. 4. NADH and FADH2 donate their electrons to protein complex I. 5. Ubiquinone is also known as coenzyme Q.
In an experiment, the development of the frontal lobe of a rat was inhibited. Predict the most likely consequence of
this procedure.
a. The rat was not able to make noises. b. The rat was unable to move. c. The rat was unable to detect touch. d. The rat was not able to process visual input. e. The rat could not hear.
This animal as an adult has radial symmetry,
an internal skeleton, fluid-filled feet, and is a deuterostome. This animal is ___.
a. a sea star b. a jellyfish c. a slug d. an isopod e. more than one of these