Which of the following statements about flowering plants is TRUE?
A. A short-day plant requires nights longer than a certain critical period to trigger flowering.
B. A long-day plant requires nights shorter than a certain critical period to inhibit flowering.
C. A short-day plant requires daylight of short wavelengths.
D. A long-day plant requires long wavelengths during the night.
E. A long-day plant requires long days alternating with short days.
A. A short-day plant requires nights longer than a certain critical period to trigger flowering.
You might also like to view...
Which component of a negative feedback mechanism does the brain or spinal cord represent?
a. response b. sensor c. integrator d. effector e. stimulus
The ability of the surface waters of the ocean to take up carbon dioxide is governed by the reaction of carbon dioxide with the ________ ion to form bicarbonates
Fill in the blank(s) with correct word
The source of benzene as a chemical pollutant is ________
A) wood preservative B) petroleum products C) pulp and paper bleaching D) rubber compounds E) plastic manufacturing
Homeostatic mechanisms are processes that:a
connect distant parts of the body by transporting materials. b. store and release fuel needed for cellular respiration. c. maintain a relatively constant internal environment. d. form lamellae within the osteons. e. relay, process, and store information.