You place a coleoptile in unidirectional light and then immediately cover the tip. Which of the following will happen?
a. The coleoptile would bend toward the light.
b. The coleoptile would not bend.
c. The coleoptile would bend away from the light.
d. The coleoptile would die.
e. The coleoptile would grow in a spiral pattern
b
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Ecological relationships reflect the __________ traits of organisms in nature
A. behavioral B. physiological C. biomechanical D. behavioral and physiological E. behavioral, physiological, and biomechanical
Most populations demonstrate ____________ growth, in which the population size increases exponentially until it levels off near the K value of the habitat for that species
A. exponential B. intrinsic C. logistic D. extrinsic E. logarithmic
Which process is responsible for the formation of fingers and toes?
a. gastrulation b. apoptosis c. menstruation d. cleavage e. implantation
A polygenic trait is influenced by the effect of several genes. Although one or more of these may be major genes, many others with lesser effects are known as what type of gene?
What will be an ideal response?