__________________________ is a form of symbiosis in which one species benefits and the other species is neither harmed nor helped.
a. mutualism
b. commensalism
c. parasitism d. cannibalism |
| Answer: b |
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What type of organism kills and devours another organism?
a. predatory organism
b. herbivory organism
c. omnivory organism d. scavenging organism |
| Answer: a |
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What are bad tasting and sometimes toxic compounds produced by plants as a powerful means of defense?
a. lignins
b. amino acids
c. primary metabolites d. secondary metabolites |
| Answer: d |
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The formation of a chemical barrier to stop the spread of disease in a tree is known as ____________________________.
a. the antimicrobial screen
b. the phenolic response
c. compartmentalization d. decay defense |
| Answer: c |
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What is an ecologically based approach to controlling plant pests?
a. cultural control
b. biological control
c. physical control d. integrated pest management |
| Answer: d |
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