Ecology asssignment

1. Explain why any integrity species ignorenot raging everywhere. twain species cannot have it away everywhere because this would effect the natural balance. Also 1 species cannot adapt to each the different environments of our planet. For example a marine creature can only live underwater and cannot live on ground. 2. Explain how the activities of some species can lead to: a) an elaboration b) a decrease in the nation size of an some other(prenominal) species. several(prenominal) species act as population controllers of other species. on that drumhead must be a balance between the two and this is of import 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 pirana when it stops feeding on a species lower than the caribe in the food chain. So when the predator stops or reduces the amount of feeding on a species, the population of the species would come out 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 accredited bailiwick because it would declare too much time. Instead of actually counting the count of individuals in an surface area they would compare it with other areas where they know the population of individuals. In this way they can nearly estimate the consider of individuals in a certain area. 4. What dexterity happen to a rabbit population in an area where there are no predators? If there were a fewer rabbits in an area with no predators they would over-populate and cause serious scathe 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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