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1. How can altering an insect's legs/limbs improve the insect's ability to live in a particular environment?
2.
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- Which body region of an insect bears the walking legs? a. head b. carapace c. abdomen d. thorax e. trunk7. Myriapods, branchiopods and remipedes have all been considered possible sister groups to the insects. What similarities do insects share with each of these three groups, respectively? How do ecological scenarios for how and when insects moved on to land differ among them? Which of these groups appears to be closest to insects based upon DNA sequence data?1. Numbers of true segments in the leg of an adult insect are 4. true/false 2. Numbers of spermathecae in a typical female insect is 2. true/false 3. Numbers of legs per each body segment in millipedes are 2. true/false 4. Numbers of true antennal segments in insects are 3. true/false
- 4. Describe how the scales are arranged on the trunk & tail of a tilapia.5. Explain how the swim bladder controls buoyancy.What vibration-detecting systems are found in octopuses and insects?u. equivaive 7. In many insects, the body is of taxonomic importance. a. Metamorphosis- spiracles b. Phylloxera-bristles c. Phyllosilicate-bristles d. Chaetotaxy-bristles the arrangement of on
- 1. With reference to the thorax only, how do insects differ from other organisms?10. Name and explain four factors that may have contributed to the enormous species diversity of insects. With these as context, why might spider diversity be modest in comparison?1. What would you say is the most important function or role of arthropods and why? 2. What are the major similarities and differences between parasitic and free-living nematodes?
- 1. State the function of the following parts of the genus Romalea (grasshopper): antenna, tympanum, spiracles, ovipositor (female), gastric caeca, malphigian tubules, tracheae, air sacs What are the hairlike appendages called that anchor into the skin of annelids? What structures do earthworms have to help dispose of nitrogenous wastes? Briefly describe how earthworms reproduce and what structures are involved.1. Grylloblattodea is Paleoptera undergoes a pupal stage lives in high altitude or ice caves is the Canadian national insect has wings that cover almost entire abdomen 2. Numbers of true wings on a dipteran metathorax are 2. true/false 3. Numbers of antennae in spiders are 2. true/false8. Compare how a hydra, a planarian, and a tapeworm get their food from their environment, and how they move it into their bodies, by completing the following table: hydra +4 Acquisition of food (finding it) Consumption of food (moving it into their body) planaria tapeworm