Which of the following best explains both the growth of a vine up the trunk of a tree as well as the directional growth of a houseplant toward a window?
A) nastic movement
B) taxic movement
C) tropism responses
D) morphological responses
E) acclimation
Answer: C
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Which of the following is a way that sulfur dioxide can enter the atmosphere?
a. Natural surface run-off b. Commercial livestock farming c. Use of artificial fertilizer d. Burning of fossil fuels
Mollusks are more closely related to flatworms than to roundworms.
Answer the following statement true (T) or false (F)
What are anabolic steroids?
A. Artificial chemicals that resemble human testosterone B. Medications that can be taken to increase the number of red blood cells C. Hormones that are only produced in the body following the ingestion of specific chemicals D. Hormones that are produced by the human body to increase muscle mass
Iodine is the decolorizer in the Gram stain.
Answer the following statement true (T) or false (F)