animals exam review - 40 MC 20 Questions are balanced...

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40 MC, 20% Questions are balanced accocording to material covered Annelids: 4 questions Example question: Which of the following organisms produces toxins potentially lethal to humans e) Chironex fleckeri produces toxins 2) |In the typical trematode, what is 5 th developmental stage is metacercariae 4) radula would scrap against substratum when protractor muscles are contracted Diagrams are also on exam: what structure is this pointing to, what does this structure do? -ve and +ve thigmotatic With tactile receptors, acoelomate flatworm, +ve thigmotactic = tactile receptors want to be on that surface!! +ve = it wants to be against SUBSTRATUM -ve thigmotactic= they don’t wont to be there , -VE= DORSAL, flatworm does not want to be there Muscular system is usually control by nervous tissue In nematodes, nervous tissue comes into contact with musculature Musculature generates elongations of itself, there are no branches of nerve cords in Nematodes 1. Classici amoeboid phagocytosis: Hypomastigote: flagellate forming a pseudopodium, group of animals that are found
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