________ is produced in an area of herbivore damage, then it is transported via the phloem to an undamaged area where it induces transcription of defensive genes
A. Abscisic acid
B. Gibberellic acid
C. Jasmonic acid
D. Salicylic acid
E. Ethylene
D
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The presence of specific ________ signals that a given water source might be contaminated with pathogens
A) exotoxins B) chemical compounds C) endotoxins D) indicator microorganisms
Diastolic pressure is the lowest blood pressure in the aorta
1.True 2.False
What statement best describes “biology”?
a. The science of life b. The naming of organisms c. The study of natural selection
d. The measurement of populations e. The study of how organisms are related to one another
Trace the flow of a water molecule that is used during photosynthesis
A) stoma ? xylem ? root hair ? mycorrhiza B) soil ? root hair ? xylem ? stoma ? atmosphere C) soil ? root hair ? xylem ? leaf cell D) soil ? xylem ? leaf cell ? atmosphere