Master Biology with Fun Quizzes & Brain Teasers!

DNA: TACATACGCGGGATT
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Select ALL the correct answers.Some individuals of a particular species of sea bird underwent a genetic mutation that resulted in larger beaks. The larger size of beaks helpedthese birds to break open dams and other mollusks for food. It also helped them defend themselves against predators. After many generations,almost all of the birds in the population had big beaks. For which two reasons did this phenomenon occur?A. natural selectionB. mechanical IsolationC. prezygotic barriers to reproductionD. high genetic variation in the species
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A scientific theory states that something will happen. _______________True or FALSe ?
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in which part does carbohydrate digestion begin
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Lipids are...A. Protein moleculesB. Similar to water moleculesC. Polar moleculesD. Nonpolar molecules
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Which two phrases describe a situation that will cause a stationary object to start moving?A. a net force greater than 0B. unbalanced forcesC. a net force equal to 0D. balanced forces
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how are underwater ecosystems affected by tidal waves
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I need help please !!!
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PLEASE HELP ME Are humans predators in their ecosystem? Explain in at least 5 sentences.
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If a hurricane was to hit Jacksonville during which Moon phase wouldwe most likely experience the most damage? Describe the factors thatare involved in order to develop an answer.
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I need help with the top questions !!!
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The Moon is 240,000 miles away from the Earth. What prediction canyou make about the tides if the distance between the Earth and Moonwere to decrease?
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Enzymes speed up and direct chemical reactions.TrueFalse
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Which statement best describes cancer cells? A.cells that go through mitosis successfullyB.cells that continue to replicated even when not needed and does not stopC.cells that move to G0,the resting phaseD.cells in hypotonic, solution to burst
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How could you test your hypothesis?Find the total mass of the water and the drypasta, then cook the pasta and measure themass of the cooked pasta and the water inwhich it is being cooked.Find the mass of the dry pasta, then cook thepasta, drain it, and find the mass of thecooked pasta.
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CCC Predict: Suppose you randomly picked out two members of thesame phylum and two members of the same genus. Which pair oforganisms would you expect to have more characteristics incommon? Explain your answer.ANSWER:
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63.5 cm23 cm43 cmCalculate Find the volume of the suitcase
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Question 10 of 10 Which molecule is used up in photosynthesis? A. Carbon dioxide B. Sugar C. Oxygen D. Nitrogen
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This is looks so difficult for me. Someone explation? And answer pl?
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This woman is riding a bicycle down a hill at a constant speed and in a straight line. Which change will increase the speed of the bicycle? A. An added force of 20 N to the side of the hill B. Added forces of 30 N up the hill and 20 N down the hill C. Added forces of 30 N up the hill and 30 N down the hill D. An added force of 20 N down the hill
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According to Chargaff's rule, base pairing in DNA should resemble which of the following?A = T; C = GA = C; T = GA = G; T = U A = U; C = G
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1. Summarize the phosphorus cycle? Does phosphorus go into the atmosphere?
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different between biological and physical aspect
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I need help please !
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