EEB142 Exam 1 Key

EEB142 Exam 1 Key - EEB142 Exam 1 Name_ PUT YOUR NAME &...

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EEB142 Exam 1 Name______________________________ Page 1 of 5 PUT YOUR NAME & UID ON EVERY PAGE OF THE EXAM BEFORE STARTING. Five points off if you don’t Write only in the space provided on the front of the page. Any writing on the back will not be graded. If you need it, we will provide with a fresh exam page. Exam is 100 pts total. 1. (8 pts) What physical conditions limit kelp to temperate waters as opposed to tropical areas? As opposed to polar waters? Tropical waters are too hot and nutrient poor for kelp, Polar waters do not have enough light during the winter months 2. (6 pts) When Graham et al. (2007) were searching for kelps in the tropical waters around the Galapagos, what conditions were they looking for? Why? Looked for illuminated bottom with a hard substrate that was below the thermocline. This cold and contain nutrients yet also have light for photosynthesis and substrate to attach to. 3. (6 pts) List three ways that mobile species use the 3D structure of the kelp forest. Any 3 of the following Settlement and nursery site Shelter from predators Substrate Hiding place for ambush Food
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EEB142 Exam 1 Name______________________________ Page 2 of 5 You are out “blue water” scuba diving in the middle of the ocean in the epipelagic zone. a. (2 pts) What type of fish swimming morphology are you likely to observe? Cruising b. (6 pts) List three traits that allow you to make that classification. Any three of the following High aspect ratio tail Moves by body undulation Pectoral fins stiff and stick out to side Heterocercal tail Streamlined shape (deepest ! way between head and tail) Narrow just before tail
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EEB142 Exam 1 Key - EEB142 Exam 1 Name_ PUT YOUR NAME &...

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