Tuesday, February 18, 2020

Connection Journal about Mutualism Essay Example | Topics and Well Written Essays - 250 words

Connection Journal about Mutualism - Essay Example Facultative mutualism is a relationship that exists between two species that depend and benefit from each other by living in close association. However, this two species do not need each other for survival. One species can live without the other but it isbeneficial when both species live together.A good example is the relationship that exists between the cleaner fish and the large fish. The cleaner fish feeds on small organisms and the parasites found on the bodies of larger fish. The larger fish in return is relieved of unwelcome guests which affects their body fitness.  Obligate mutualism, on the other hand, is a relationship that exists between two individuals that depend on each other for survival. Both species must live close to each other so that they can survive. A good example is the bees and the flowers. The bee must obtain nectar and propolis from the flowers so as to make honey and feed the colony. In return, the bee transfers pollen aiding in pollination thus reproducti on in the flowers.  Parasitism is a symbiotic relationship that exists between two species where one species (parasite) benefits at the expense of the other (host). A slight difference exist between mutualism and parasitism. Mutualism will only exist as long as benefits acquire by each species outweighs the cost. When the opposite holds,mutualism becomes parasitism. In many cases, were mutualism exists, one species benefits more than the other thus it is similar to parasitism.  Trillium grandiflorumis dispersed by insects.

Monday, February 3, 2020

Collapse of Communism in Poland Essay Example | Topics and Well Written Essays - 1000 words

Collapse of Communism in Poland - Essay Example During the 60’s the economic decline was due to the country’s extravagance on the expenditure for heavy industry, armaments and its little concern for the consumer production. Although the lands were returned to the peasants, the farms were too small for agriculture production. The autocracy of Gomulka was all too helpful to worsen the economic crises. What resulted was a presence of a communist government strong in its regime, yet too weak in generating any reform. Price rise of the consumer goods and wage decline of the workers especially in the 1970’s would always invite wide spread demonstrations across streets of all polish towns almost always resulting into bloodshed due to the staunch retaliation of the communist soldiers. The Gierek era between 1970 and 1980 was only a replication of the Gomulka’s policies with promises of reforms never fulfilled. The recession of the mid-70’s increased oil prices, uplifted the prices of imported goods and declined the demand of Polish goods. Poland’s foreign debt showed no respite. What resulted was a natural price-hike that invited wide spread national demonstration with special prominence in Dlock and Radom. When a polish national, Karol Wojtyła became the pope, John Paul IInd, and subsequently visited Poland, it only added to the spirit of nationhood and a desire to overthrow the communist regime in Poland. The years of 1980’s too saw the presence of non-stop labor strikes. The August of the year 1980, however is attributed as one of the greatest contributors of what was to be ultimately the abolition of communism. An independent trade union called ‘Solidarity’ was formed, led by Lech Walesa, primarily to amend the economic difficulties. But it became a reason to uphold the anti-communist social movement. Staggering numbers of people became affiliated to the union including people form Catholic Church, the anti-communist leftists and the intellects. Solidarity adopted