Ecology asssignment

1. Explain why any integrity species ignorenot raging everywhere. both(prenominal) species cannot stretch forth everywhere because this would effect the natural balance. Also matchless species cannot adapt to solely the different environments of our planet. For example a ocean creature can only live underwater and cannot live on ground. 2. Explain how the activities of some species can lead to: a) an expansion b) a decrease in the nation size of an other(a)(prenominal) species. many species act as population controllers of other species. on that stain must be a balance between the two and this is most-valuable to a healthy landscape. The decrease in the population is caused by the food chain, for example when a tiger preys on a zebra the population decreases. The increase of the population of a species is caused by the vulture when it stops feeding on a species lower than the predator in the food chain. So when the predator stops or reduces the amount of feeding on a species, the population of the species would interject out of the closet to increase. 3. It is seldom possible to see all the individuals in a given space. Explain one method acting by which biologists can study population densities without obtaining such data. Scientist b arly ever count the amount of individuals in a real bailiwick because it would declare too much time.

Instead of actually counting the count of individuals in an empyrean they would compare it with other areas where they know the population of individuals. In this way they can round estimate the consider of individuals in a certain area. 4. What major power happen to a rabb! it population in an area where there are no predators? If there were a a couple of(prenominal) rabbits in an area with no predators they would over-populate and cause serious handicap to the ground. Since they are immediate at reproducing there... If you want to get a full essay, consecrate it on our website: BestEssayCheap.com

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