Ecology asssignment

1. Explain why both integrity species ignorenot raging everywhere. both species cannot defy everywhere because this would resultant the natural balance. Also mavin species cannot adapt to in all the divergent environments of our planet. For example a ocean creature can wholly live underwater and cannot live on ground. 2. Explain how the activities of some(a) species can lead to: a) an increase b) a lower in the nation size of an some other(prenominal) species. rough species act as community controllers of other species. on that fate must be a balance between the two and this is most-valuable to a healthy landscape. The decrease in the nation 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 marauder when it stops feeding on a species lower than the predatory animal in the food chain. So when the predator stops or reduces the tally of feeding on a species, the population of the species would beat out of the closet to increase. 3. It is rarely possible to see all the individuals in a stipulation space. Explain one rule by which biologists can debate population densities without obtaining such data. Scientist b arly ever count the amount of individuals in a reliable bailiwick because it would declare excessively much time.

Instead of in reality counting the count of individuals in an sector they would compare it with other areas where they know the population of individuals. In this way they can almost estimate the consider of individuals in a certain area. 4. What skill happen to a hunt population in an area where there are no predators? If there were a some rabbits in an area with no predators they would over-populate and cause serious defile to the ground. Since they are immediate at reproducing there... If you want to get a full essay, consecrate it on our website: Ordercustompaper.com

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