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Unit 3 Exercise 1 Keystone Species

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1. A forest surrounded by highways, with a species of squirrel. Fragmented watersheds, trout. Clear cutting of rain forest, tree frogs.
2. A cactus is a specialist species, its habitat is the desert. So, if the cactus received too much water or was brought to a higher elevation it would die.
3. This would be a large and strenuous study; however, each species would have to be monitored at all times in all habitats. All their actions and behaviors would need to be assessed to determine their role in the habitat. If a wide variety of habitats were available. Each one could be studied with species that are not present. Then compare the overall well-being of each habitat in order to determine which species hindered growth of their particular habitat. …show more content…
If the owner wants their cat to spend time outdoors, their time could be limited to daylight hours only. This would help protect some of the mammals since most are nocturnal in nature, and would also allow birds to be more on guard. Another alternative would be to build a pen in their yard, like most dogs have.
5. A keystone species is one that has an impact on its environment in a positive way, by helping the other species within that environment. The parrotfish is a keystone species by feeding on dead pieces of coral and algae on the coral. Without the parrotfish the algae would take over the reef and could kill the corals.
6. With larger ecosystems it is much easier for them to stay in balance, and maintain overall health. Since it is a large ecosystem it is much more complex to understand the influences that each species has on the other both good and bad. The small ecosystems have a better chance of recovering due to their small size, making it much easier to see how the species depend on each other. Thus, making the outcome to hopefully be positive and easier to follow up on.
7. This might not be a necessary fund. Since, there are a vast number of parks both state and federal. These parks have an abundance of wildlife to

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