Describe what do protozoans eat
Describe what do protozoans eat? Do they move in the search for food?
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Protozoans are heterotroph beings, that is, they do not prepare their own food and therefore they require searching for it in the environment. Protozoans have developed some locomotion mechanisms and they actively move towards the food.
Explain the germ layer from which do the liver and the pancreas originate? Specify the other organs and tissues which are made from that germ layer?
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Illustrate out the substrates of enzymatic reactions?
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Name the cells which produce the myelin sheath? Of which substance the myelin sheath is formed?
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