Master Biology with Fun Quizzes & Brain Teasers!

Sun,maple trees, grass. Explain how the flow of the matter and energy occurs in the system. Make the system by choosing several organisms from the list that eat each other
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List the steps that would cause each transformation below.A. Intrusive igneous rock > sedimentary rock:___________B. Metamorphic rock > sediment:_________________C. Sediment > sedimentary rock:_____________________D. Sedimentary rock > sediment:_________________(Please help with this)
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According to Newton's laws of motion, what causes an object to change its state of motion? O A. Inertia O B. Mass O C. Balanced forces O D. Unbalanced forces HINT SUBMIT
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PLEASE HELP WITH #1 AND 2!! whoever is correct will be marked as brainlist. do not spam or send links, if u do u will be reported!
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Which of the following moves molecules against the concentration gradient?
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What two organelles are included in the endosymbiosis theory?
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how body uses food (digestive system)
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Hey guys! Help me! What is the difference between Fraternal Twins and Identical Twins??
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Q3. A student investigates factors that affect photosynthesis. (a) In his first experiment, the student uses this method to investigate the effect of light on photosynthesis. place a plant in the dark for 24 hours cover part of leaf X with black paper place the plant in the light for 24 hours The diagram shows the plant in the light.
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State two features that are shown by all molecules
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PIz help- Choose one plantwhich sexually reproduces.Compare and contrastcharacteristics of the plantwith a variation of the sameplant.
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different between GNP and GNI.
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Which organism has a larger surface area to volume ratio: a bacterium or a hedgehog?
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what is the role of nucleic acid
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Organize a debate competition on the topic Literacy is the main base of nation development,
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Spinning is an important step in the production of a fabric what do you want to happen is for the step is missed
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On a sunny day at an open market a vendor, Ms Milly, occasionally sprinkles water on her wilting lettuce. During the day Ms Millys lettuce are firm and ready for sale. (i) Distinguish between diffusion and osmosis. (2 mark) (ii) Identify the process that resulted in Ms Millys wilting lettuce becoming firm. (1 mark) (iii) Explain how the process identified in (b) (ii) kept the lettuce firm. (2marks) (iv) Suggest a suitable method, other than sprinkling, that a consumer could use to keep the lettuce firm.
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Science worksheets:))))))
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Explain the human excretory system.
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Once nutrients are absorbed into the circulatory system, the next major organ they pass through is the __________.
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The decision to take a step down a staircase may be made by a small area of the brain. However, it involves contraction of muscles on both sides of the body. These muscles must be stimulated by many different neurons. This is an example of what kind of a circuit
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why is anthosynin present in rose
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Which of these unicellular organisms has no definite shape?a. Ameobab. Parameciumc. Euglenad. Bacteria
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How are most eukaryotic transcription regulators able to affect transcription when their binding sites are far from the promoter
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