Midterm 2 Name Entomology 10, Winter Quarter 2008 1Scantron 1-13: True/False Questions. Fill in the correct “bubble” for the following questions. “A” for true and “B” for false. Each question is worth 2 points. 26 points total. 1.True/False. Uniform insect population distributions are usually brought about by human intervention. 2.True/False. Insects and humans can see images at the same number of frames/second. 3.True/False. Ants in amber (fossilized plant sap) show that they have been around for at least 100 million years. 4.True/False. Many insect species hear only specific frequencies, thus making their communications secure. 5.True/False. In all known species of ants, the colony has only one queen that lays eggs. 6.True/False. The cactus moth, native to South America, was introduced into Australia and controlled cactus but is an invasive species to Mexico and USA. 7.True/False. Records of Mediterranean fruit fly captures fit the invasion-stream model of biological invasion and suggest that the fly may be established in California. 8.True/False. The exponential growth curve is common for insects because once the insects reach the carrying capacity, the population levels off and becomes stable. 9.True/False. In “Sexual Encounters of the Floral Kind,” the Arctic rose (Dryas) offers warmth and a mating place for the insect pollinator. 10.True/False. Leaf-cutter ants have a nutritional symbiosis with a bacterium, which they culture on the leaves they collect. 11.True/False. Venus fly trap plants are insectivorous, are found in poor soils (i.e., low nitrogen, acid bogs) and use insects as a source of nutrients by actively trapping them. 12.True/False. In “Sexual encounters of the floral kind,” the bucket orchid is pollinated by buzz pollination where the green orchid bee uses the high wing beat frequency to shake the pollen onto the female flower part. 13.True/False. Insect conservation is favored by the public because there are many benefits to saving the well defined habitats of rare species.
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