Any response of a plant to the relative lengths of light and darkness is referred to as:
a. gravitropism.
b. photoperiodism.
c. phototropism.
d. thigmotropism.
e. thigmomorphogenesis.
B
Biology & Microbiology
You might also like to view...
Ammonia is the most toxic of the three major forms of nitrogenous waste
A. true B. false
Biology & Microbiology
What is heterozygote advantage? Provide one example of this and briefly explain. What will be an ideal response?
Biology & Microbiology
Diatoms ________.
A. are motile by virtue of having flagella B. can reproduce asexually C. are photosynthetic with frustules composed of two halves and can reproduce asexually D. are photosynthetic with frustules composed of two halves
Biology & Microbiology
A 2n cell from an organism has 40 chromosomes. How many chromosomes would be in a haploid gamete from this organism?
A) 46 B) 20 C) 40 D) 10 E) 80
Biology & Microbiology