________ occurs when a chemical signal secreted by the roots of one plant blocks the germination of nearby seeds or inhibits the growth of a neighboring plant.
A. Etiolation
B. The systemic response
C. Allelopathy
D. Nodulation
E. Reduction
Answer: C
Biology & Microbiology
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Most seeds are dormant until
a. conditions are favorable. b. drastic conditions are present. c. the timing is right. d. conditions are favorable and the timing is right
Biology & Microbiology
Briefly describe the coevolution of predators and prey. Does this concept apply to parasites and hosts?
What will be an ideal response?
Biology & Microbiology
Urine cannot escape back to the ureter from the bladder because there is/are blocking the way.
a. A valve b. mucosa c. Two valves d. A flap of muscle
Biology & Microbiology
A substance that helps to maintain a stable pH is a(n) ________
Fill in the blank(s) with correct word
Biology & Microbiology