How might a plant communicate to another plant that it has been attacked by a herbivore?
What will be an ideal response?
In some plants, such as creosote bush, the secondary compound that protects the plant from herbivore
damage is a volatile compound. For example, terpenes are volatile and easily diffuse out the plant into
the surrounding air. Such release of a volatile might elicit responses in neighboring plants or attract
insects to the plant that prey on the herbivore.
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Organisms that grow near deep-sea volcanic vents are likely to be
A. psychrotrophic. B. psychrophilic. C. mesophilic. D. thermophilic.
Physiological changes that occur in ectotherms in response to seasonal temperature shifts are called ____
a. estivation b. hyperthermia c. thermal acclimatization d. hypothermia e. hibernation
In the process of fertilization in conifers, the pollen tube grows to the:a
archegonium. b. antheridium. c. microspores. d. pollen grains. e. microsporangia.
Which one of the following is/are located in the tonsils to filter out many of the microorganisms that enter the throat?
A) thymus B) adenoids C) lymphocytes D) platelets E) red blood cells