Free Biology Practice Questions - Improve Your Skills

A student performs an investigation to determine if keeping plants in a greenhouse will reduce the amount of water tout to evaporation. The studenthypothesizes that if a plant is in a closed, humid environment, then loss water will be lost to evaporation. The student places the plants in beakers of watershould the student use to collect the data needed to test her hypothesis ?
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Someone give me pros and cons about cloning I have to do a essay about it
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Which is a product of the cellular respiration reaction?glucosecarbon dioxidebloodcells
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Why do the crystals in gneiss line up in bands
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i need help15 points
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a rocket launched 200 kilometers in 40 seconds what is the avarage spped of the rocket in kilometers per hour?
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What would the complimentary RNA strand be if one of the strand's base sequence was:A T G A A G C T A T
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A researcher crossed the F1 generation of a red snapdragon plant and whitesnapdragon plant. According to the information provided, what is the phenotypepercentage of their offspring (F2)Genotypes: RR = Red, WW = white, RW = PinkA. Red 50% & Pink 50%B. White 100%C. Pink 100%D. Red 100%
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Which of the following is not used during photosynthesis WaterSolar energyOxygenCarbon dioxide
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1.In this photo, what is similar about the appearance of the Moon and the appearance of the stone sphere on the top of the post?2.Why do you think the appearance of the Moon and the stone sphere is similar in this way? (Hint: Think about the light in the image.)
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Part CWhat did the author mean when he said that summer storms can "snap" a heat wave? Why was the word snap used?
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The carbohydrate polymer known as cellulose is mainly used fora. Storing DNAb. Making proteinsc. Giving plants structured. Making muscles
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Blue eyes (b) and left handedness(h) are recessive. A blue eyed, left-handed woman marries a brown eyed, right-handed man who is heterozygous for both traits. A. What is the genotype of the woman?B. What is the genotype of the man?C. What are the gametes Coming from the man?D. What is the probability of their having a blue eyed, left-handed child?Can someone help me with this please
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What are the differences between the 3 domains
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Normal blood pressure is 120/80. Which best describes the blood pressure reading?The systolic pressure is 120, and the diastolic pressure is 80.The diastolic pressure is 120, and the systolic pressure is 80.Systolic pressure is measured when the blood flow resumes as the cuff deflates, so systolic pressure is always the lower number.Diastolic pressure is measured when the blood flow resumes as the cuff deflates, so diastolic pressure is always the lower number.
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What is chlorophyll? What is its role in photosynthesis?
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Michael wants to classify an organism that she is studying in Lab the organism is multicellular and makes it on food and is unable to move around its environment the organism that Michael studying can mostly like likely be classified in kingdom
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who are the parents of mosesa)isaac and rebecca b)Amram and jochebed c)Jacob and zipporah
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En el texto la palabra "fotones" se podra reemplazar con A. "neutrones". B. "fonones". C. "ondas mecnicas". D. "cuantos de energa".
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A parent with the blood type A (genotype AO) and a parent with blood type B (genotype BO) have children with blood types A, B, and AB. What type of inheritance pattern is shown by the child with type AB blood and why?
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how do non genetic traits get passed on to offspring
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What process is shown in the diagram below?A. KaryotypingFirstcycleO B. Use of restriction enzymesSecondcycleC. Polymerase chain reaction(PCR)ThirdcycleD. Gel electrophoresisFourthcycle
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What are common features of animals?All animals are diploid, heterotrophic, multicellular, have cell walls, and reproduce sexually. All animals are haploid, heterotrophic, multicellular, have no cell wall, and reproduce sexually.All animals are diploid, autotrophic, multicellular, have no cell wall, and reproduce sexually.All animals are diploid, heterotrophic, multicellular, have no cell wall, and reproduce sexually.
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2. These molecules capture energy from the sun during cellular respiration andgive plants their green pigment.*XanthophyllChlorophyll. ThylakoidsGrana
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