ENY 1001 Test 3 study guide

ENY 1001 Test 3 study guide - Summer B 2011 Study questions...

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Summer B 2011 Study questions for Exam 3 These cover only readings from your text. Additional questions will come from lecture notes, readings in your syllabus, and any assigned outside readings. Chapter 6, pp. 159-164 1. Name several basic defense strategies among insects . -camouflage (crypsis) changing appearance to match surroundings -homotypism- resembling something inedible (bird dropping) -Bad taste- manufacture poisons themselves, or store poisons from plants. -warning coloration-aposematism 2. How do crypsis and homotypism differ? above 3. What is aposematism? Warning coloration, red, orange, yellow, black 4 . What is mimicry and how do edible insects use it? Insects making themselves look like other insects. Edible insecs use it to look at inedible ones. 5. What is thanatosis? Playing dead 6. What are reactor glands and why are they so spectacular? “chemical laboratories where two or more relatively inactive compounds are combined to create a chemical reaction. Ex: Bombadier beetle 7. What is reflex bleeding? Insects forcefully squirting blood out of their bodies when being attacked. Often to release poison in the blood to the predator. Chapter 4 1. What was the original Latin meaning of communis ? “to exchange or share obligations” 2. What are the 3 basic criteria used to classify and organize social interactions? - members of a society cooperate collectively in the care of young - there are individuals in a society who mate and ay eggs and others who don’t - generations overlap so that offspring can grow up to assist their parents in care of the young. 3. What is a eusocial insect species? “ truly social species”, all 3 traits are exhibited 4. What are the relative advantages of living in groups? How about disadvantages? Advantages - (1) enhanced defense against enemies (numbers). (2) reduces the possibility that any individual can be singled out and eaten. (3) improve success at raising young. (4) improves likelihood that an individual will find and secure food.(5) allows individuals to exploit a food source more efficiently. (6) in a group, individuals are not as much at the mercy of the environment. Disadvantages
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ENY 1001 Test 3 study guide - Summer B 2011 Study questions...

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