Ultimate Biology Study Guide - Questions & Answers

How does the air we inhale compare to the air we exhale?A.The air we inhale has the same percentage of oxygen as the air we exhale.B.The air we inhale has a greater percentage of oxygen than the air we exhale.C.The air we inhale has the same percentage of carbon dioxide as the air we exhale.D.The air we inhale has a greater percentage of carbon dioxide than the air we exhale.
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_____ causes the body to need increasingly larger amounts of the drug to get the same effect that was originally produced.
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What might your superhero iron man powers be?Would your superhero iron man use his power for good or for evil?PLEASE HELP ME.
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Study the diagram of a cell.Which structure is found only in plant cells and functions inthe process of photosynthesis?ZXYW
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When true-breeding tall plants are crossed with hybrid tall plants, the offspring are a. all tall plants b. all short plants c. some tall and some short plants d. not enough information has been given to answer this question
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Please Help! Science Homework1. A. What is a compound?1. B.What is one inorganic compound vitalfor chemical reactions in cells? What are four groupsof organic compounds important to living things?2. A.What three important functions doeswater perform in cells?2. B.Suppose a cell is seriouslydeprived of water. How might this lack of water affectthe cell's enzymes? Explain.3. A.Which of the four types of organiccompounds serve as an energy source for cells?3. B.Which of the four types of organicmolecules contain the element nitrogen?3. C.An organic compound contains only theelements carbon, hydrogen, and oxygen. Could thiscompound be a carbohydrate? Could it be a protein?Explain.
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Pairs of genes that control the same trait are known as _____.a)hybrids b) loci c) alleles d) gametes
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Vitamin C is required for synthesis of collagen, Predict the effect that a vitamin C defidency (a disease called scurvy would have on bone tissue, dense regularcollagenous connective tissue, dense irregular connective tissue, and cartilage. What symptoms would you expect to see from this disease? Why is scurvy importantinboth anatomy and history?
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Which of the following terms describes how often an allele is found in apopulation?O A. Allele frequencyB. Allele densityC. Allele strengthO D. Allele dominanceSIIRMITAsap please
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3 sentences on why would muscles not repair or produce without bacteria PLEASE HELPPPP
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The fusion of a _______________ and a _________________ produces a zygote with 46 (2n) chromosome number.
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Which letter correctly labels the synapseLook at the image of a synapse.A synapse is shown. Label B indicates the synapse.Which letter correctly labels the synapse?
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How do the geography and geographical features of your area affect the temperature?
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Please help me out this my last day to submit I will give brainliest please 5.explain mastication peristalsis segmentation and the release of hormones and enzymes necessary for digestion
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3. Two most commonly genetically modified food in the US are
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What is carrying capacity?the maximum number of organisms that canlive in a populationthe ability of the environment to provideresources for a growing populationthe maximum number of organisms anenvironment can support for a long timethe maximum number of species that canlive in an ecosystem.
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Match each term to the correct definition.asymmetryan animal without a backbonebilateral symmetryan animal with a backboneradial symmetrya body plan made of two equal halves thatmirror each otherOOOOvertebratea body plan that lacks symmetryinvertebratea body plan that is organized around acentral point
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What are greenhouse gasses? How does carbon dioxide enter the atmosphere? (Site 1)
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The following statements discuss ecological principles. Identify the INCORRECT statement.(15 points)a. Populations are randomly scattered throughout the biosphere.b. As populations in a community interact with one another, they can modify the environment so that it becomes suitable for other species.c. Interactions that might influence the structure of a community include competition between individuals of the same species in different populations.d. A population is a group of individuals of the same species living in a specific area at the same time.
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Predict the classification level that would first differentiate these snakes from a frog or a toad (amphibians).a. classb. phylumc. orderd. genus
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Which of the following MOST influenced the growth in the human population over the last century?(A) Farmers have developed new crops that can grow in various climates and with small nutrient input.Mechanical and chemical technologies have been developed to greatly increase agricultural production.(C) The development of chemical fertilizers has enabled farmers to grow more intensive staple crops.(D) Access to new freshwater resources has greatly expanded the use and efficiency of irrigation systems.
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Tigers and crocodiles are more closely related than tigers and sharks.Which statement about shared characteristics best supports this statement?Crocodiles and sharks both live in water.Crocodiles and tigers are both made of cells.Crocodiles and tigers both have four legs.Sharks and tigers are both meat eaters.
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how mule is produced?
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distinguish between proximal convoluted tubule and distal convoluted tubule
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