Red light and phytochrome are involved in which of the following plant growth responses? Check all that apply.
_____ thigmotropic responses
_____ inhibition of seed germination
_____ elongation of etiolated shoots
_____ detection of crowding by neighboring plants
_____ thigmotropic responses
__X__ inhibition of seed germination
__X__ elongation of etiolated shoots
__X__ detection of crowding by neighboring plants
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Considering the traits in the previous question, which alleles separated at which stages of meiosis? Comments: This can be used against common errors in thinking about phenotypic ratios and meiosis
A. Red segregated from brown in meiosis I, and straight segregated from curled in meiosis II. B. Red segregated from brown in meiosis II, and straight segregated from curled in meiosis I. C. Red segregated from brown in meiosis I, and straight segregated from curled in meiosis I. D. Red segregated from brown in meiosis II, and straight segregated from curled in meiosis II. E. Red segregated from straight in meiosis I, and brown segregated from curled in meiosis II.
Growth in ocean areas that are high nutrient and low chlorophyll (HNLC) is limited by the availability of ________.
A. iron B. manganese C. phosphorus D. nitrogen
What mechanism explains evolution by discussing variations in a population that allow it to match its environment?
a. Artificial selection b. Origin of species c. Beneficial adaptations d. Natural selection
Explain why fungal life cycles are not considered an example of "alternation of generations."
What will be an ideal response?