What is the purpose for the process of deadheading?
A) It decreases the duration of flowering in an annual plant.
B) It removes fruits and seeds from plants when they're mature.
C) It allows the plant to produce and support more flowers than normal.
D) It reduces the amount of water needed by the plant.
C
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When the concordance rate of a trait is significantly higher in identical twins than it is in fraternal twins, we can conclude that:
A. the trait has a strong genetic component. B. the trait has a strong environmental component. C. the trait has a strong genotype-byenvironment interaction. D. the trait has a strong norm of reaction. E. the trait has both a strong genetic component and a strong norm of reaction.
All fungi cause some kind of disease in plants or animals.
Answer the following statement true (T) or false (F)
Which of the following statements about uric acid is true?
A) Uric acid requires less water to excrete than does urea. B) Uric acid is more soluble in water than urea. C) The darker material in bird droppings is mostly uric acid. D) Uric acid is more toxic than ammonia.
What two types of resistors are used as safety features in houses?