What is the importance of protozoans? Protozoans play important roles in the fertility of soils. By grazing on soil bacteria, they regulate bacterial populations and maintain them in a state of physiological youth—i.e., in the active growing phase. This enhances the rates at which bacteria decompose dead organic matter. Which protozoa are useful? Some protozoa, such as Entamoeba histolytica,Trichomonas vaginalis, Giardia lamblia, and Balantidium coli use pseudopodia, flagella or cilia to swim through mucus and contact host cells. Protozoa use adhesins associated with their cytoplasmic membrane to adhere to host cells, colonize, and resist flushing. What are protozoa in nature?...

Who invented the 4 step problem solving model? Polya Polya created his famous four-step process for problem solving, which is used all over to aid people in problem solving: Step 1: Understand the problem. Sometimes the problem lies in understanding the problem. Who created Bedmas? Achilles Reselfelt is a mathematician who invented BODMAS. It is a mnemonic that helps us remember how to evaluate mathematical operators in a mathematical statement involving more than one mathematical operation. What is the acronym used for the steps for solving equations? PEMDAS is an acronym used to mention the order of operations to be...

What should 13-month-old baby be doing? 13-Month-Old: Toddlerhood Has Begun! Your not-so-little one is on the go these days, which means she might be crawling, cruising, or even be taking those first thrilling steps. In the coming months, watch for her to slowly begin to test her boundaries by expressing what she wants in a more forthright way. What should a 13-month-old baby be saying? Around 13 months, many toddlers have vocabularies that consist of three or four words. Yours can probably say "mama" or "dada," and something like "ta ta," for thank you, "ba" for bottle or ball, and...

How can I recover deleted history on Safari? Scroll down the screen, find Safari and tap on it. At the Safari page, scroll to the bottom and tap on the Advanced option. Go to the next section and find Website Data. Click on it and you will find some of your deleted browser history listed there. How do I retrieve deleted browser history? Recover the deleted browsing history in this way. Open a web page in Google Chrome. Type in the link https://www.google.com/settings/... When you enter your Google Account, you will see the list of everything that Google has recorded...