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Pollination
Many flowering plants rely on animals such as bees, butterflies, moths, wasps, beetles, birds, and bats for pollination to produce fruit. Thirty percent of our food crops, including almonds, apples, blueberries, cherries, and chocolate, rely on the free services of pollinators. Feed crops like alfalfa and hay for domesticated animals also depend on pollinators, and many wild plants such as fig trees that provide food and shelter for animals depend on pollina tors. But pollinators, including the managed honeybee colonies used extensively in U.S. agriculture are threatened. Increasingly fragmented and degraded habitat, pesticides, and the introduction of diseases and non -native species are causing some pollinator populations to decline. Imagine farmers having to hand-pollinate their crops if we lose natural pollinators.
Black disease It is a fatal peracute disease caused by Clostridium novyi Type B. It is associated with liver damage caused by liver fluke. The onset of the disease is rapid fo
classification schemes and characterisitics used for this.
Types of Surgery : Tricuspid valvotomy is done as an open procedure at the end of surgery on mitral and/or aortic valve. It can be done on an arrested heart or on a beating heart
Polynephritis in cattle Contagious bovine polynephritis is a specific infection of urinary tract of cattle. The causative agent is Corynebacterium renale, a rod shaped gram-po
The pH of a solution of 1 M HCl is: Select one: a. 0 b. 0.1 c. 1 d. 10 e. negative 1
Define the Understanding the Concept of Food Security? Food security may be defined as a physical and economic access by all people, at all times, to sufficient food to meet th
Q. Conditions Necessary for Outbreak in salmonellosis? The food must contain or become contaminated with the Salmonella bacteria. These bacteria must be there in considerable n
A few statements about the mechanism of evolution are made. Mark the correct statements. (i) Evolution happens at the individual level as well as population level. (ii
There are several methods by which a disease-causing organism can be transferred from the reservoir to the host organism. Direct contact : Disease - causing organism may be tr
What is Class Amphibia ? Class Amphibia takes its name from the Greek words "amphi" and "bios." Amphi means "both sides," or "both types," and bios means "life." This name-bo
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