Master Biology with Fun Quizzes & Brain Teasers!

. What provides most of the water for the water cycle?This is the text PLEASE HAS TO BE TURNED IN IN 5 MIN
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Which of the following characteristics of Figure 1 best shows that the fragment is RNA and not DNA?AThe 5' to 3' orientation of the nucleotide chainBThe identity of each nitrogenous baseThe charges on the phosphate groupsDThe type of bond linking the nucleotides together
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5. Besides being part of the composition of bone, why else do mammals need calcium?
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Explain Newtons 1st Law of Motion and give an example.1. Explain Newtons 2nd Law of Motion and give an example.2. Explain Newtons 3rd Law of Motion and give an example.3. Explain Newtons 3rd Law of Motion and give an example.
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Help pls help pls question is above
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if scientists want to solve an environmental problem they are most likely to use ?
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According to Darwin, evolutiontakes place by a process calledrandom choice. True or false
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A change in the characteristics ofpopulations of living things overtime is called evolution. Agree or disagree
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The evolutionary process occurs inorganisms through changes in traitsthat are never able to be inherited. Agree or disagree
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Evidence of evolutionaryrelationships can be found in thefossil record.Agree or disagree
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Does the sun affect the tides???
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Consider a scenario where a person eats a cupcake composed of glucose molecules. The person has digested the cupcake, and the glucose has been absorbed into the bloodstream. Based on this information and your knowledge about biology, select true or false for each of the following statements. a. Some of the energy stored in glucose will eventually be transformed into heat. b. Carbon atoms from glucose could be exhaled by the person as carbon dioxide. c. Carbon atoms from glucose could later be found in a plant cell. d. Carbon atoms from glucose could be converted into oxygen during metabolism.
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6.) A dog named Rascal leaves his home and travels a short distance andthen returns home. The graph shows his position as a function of time.How does his velocity on his return trip compare to his velocity for thefirst 5 seconds?
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Which animals have tube like mouth?
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Describe two things that would happen in an ecosystem if there were no unicellular organisms. Explain why something with only one cell can be considered to be an organism.
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Which animals have webbed Feet?
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The siboglinid tube worm, found at deep-sea hydrothermal vents and cold seeps, has no digestive tract. It relies on symbiotic bacteria that live in the tube worms tissues. The bacteria oxidize hydrogen sulfide or methane for the worm.What type of relationship is this?
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Which organelle was compared to... "the shipping and receivingdepartment" in the ice cream factory? (deciding what goes into thefactory and what leaves the factory) *cell wallnucleusnucleolusO cytoplasmO organellescell membrane
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Can someone help me please i only have a few min-
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A tapeworm needs to eat food that is already digested, so it lives in the intestines of a dogfish shark and derives nourishment from the shark. As a result of the tapeworm infestation, the shark is weakened and more vulnerable to disease and predation. What type of relationship is this?
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Part DFollow these steps and study the table to answer the question,1. Go to the Weekly US Map: Influenza Summary Update e. At the top of the map, click the back arrowseveral times until the map no longer changes. If the current season is shorter than 6 months, viewthe previous season with the drop down box. Note how the trends change over time.2. Review the following data table, which represents the estimated number of deaths, medical visits,illnesses, and hospitalizations averted by the flu vaccine during several flu seasons.Averted DeathsAverted Averted Avertedillnesses Medical Visits HospitalizationsPneumonia and Respiratory andInfluenza CirculatoryDeaths DeathsFractionNumber Number Number prevented Number Number(%)2010-2011 5,039,277 2,514,353 70,821 20.83,4349,8802011-2012 1,981,571 968,312 39,3012012-2013 5,628,332 2,701,875 61,522 11.11,8235,2802013-2014 6,683,929 3,080,284 86,730 21.53,8402014-2015 1,606,813 792,958 47,4491,4192015-2016 5,083,498 2,504,323 71,479 18.92,882Season22.71,2273,6189,1727.5Using the data you just reviewed, create a scientific argument of one to two paragraphs that support oroppose the current flu vaccine recommendations.
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Following a bone fracture, the body must repair bone tissue by producing new bone cells. What is the source of these new cells? A. adult stem cells in bone marrowB. embryonic stem cells in bone marrowC. adult stem cells produced in the glandsD. embryonic stem cells produced in the glands
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Rectangle JKML is rotated clockwise around point P. What is the angle of rotation? 45 90 180 360
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What is the element name for 3.3%
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