Word: protozoa
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...science program started with one microscope and some left-over laboratory equipment. Goldberg and Bayne, both biology concentrators, used this apparatus to teach the campers about molecules and cells, chlorplasts, and protozoa...
MICROBIOLOGY: All biologists use microscopes, but microbiologists study microorganisms such as bacteria and protozoa...
...potential dangers to all life on earth. Though their ship may be sterilized inside and outside before re-entering the earth's atmosphere, it will be impossible to sterilize the men themselves. Like even the healthiest humans, the space travelers will be hives of earthly viruses, bacteria and protozoa, and among these familiar and harmless companions a few microscopic aliens may hide, ready to turn into killers when they reach the earth...
...mounting knowledge, oceanographers are talking with new confidence of the ocean as a source of food. Life began in the sea, and most of it lives there still, grazing on the microscopic plants that swarm in the sunlit upper waters. At the end of a long food-chain (diatoms, protozoa, tiny crustaceans, little fish, etc.) are the fish, lobsters, shrimps and whales that are hunted by humans. Says Iselin: "We are not harvesting the seas. We are just hunting-catching something here and there...
...silver, oil, fat, starch or mammalian cells on a glass slide between the electrodes, he found that any asymmetrical particle promptly turned so that its long axis lay along the lines of force. Groups lined up Indian-file, like iron scraps between magnetic poles. Microorganisms such as bacteria or protozoa were forced to travel in similar paths; they resumed swimming normally at random only when the power was turned...