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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.
Characteristics of Lake Ecosystems The environment of static waters of lakes and ponds sharply contrasts with those of lotic ecosystems. Light penetration in lakes is usually
What is cytoskeleton? What are its main constituents in animal cells? Ans) Cytoskeleton is the cytoplasmic structure that handles the cell, keeps its shape and fixates and moves
Disadvantages of Ridgemapping a) Traumatic procedure b) Time consuming procedure and needs more armamentarium c) There is an inherent risk of inaccuracy especially whil
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Draw a section of the microscopic structure of human retina and label any six parts in it. a) Name the structure that determines the eye colour in humans. What is the normal f
are viruses cellular organisms
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What is Ceramics A kind of material that is "bone like" based on the specific ratios of calcium and phosphorous in particular crystalline structures. Ceramics are inorganic, no
Q. Why is cannibalism an inharmonious intraspecific ecological interaction? In the cannibalism an individual eats other of the same species (occurs in some arachnids and insect
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