Conspicuous shelf-like or saddle-like structures on the surface of a tree that indicate a fungus is growing within the tree are for:
A) showy display to attract a mate. B) defense from predators.
C) pollination. D) reproduction and spore dispersal.
Answer: D
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What enzyme protects the linings of internal tubes from bacteria?
a. lactic acid b. complement c. cytokine d. mucus e. lysozyme
Gene duplications provide an explanation for the origin of gene families
Indicate whether the statement is true or false
What term describes the failure of one species' sperm to fertilize the egg of a different species?
A) Hybrid weakness B) Gametic incompatibility C) Mechanical incompatibility D) Mating time differences
In order to produce a new plant via meristem culture, you need to remove the meristem from one plant and place it in a water containing various minerals. The meristem will then develop new shoots and roots.
a. true b. false