Master Biology with Fun Quizzes & Brain Teasers!

Why does the weather change suddenly when air masses collide
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A painting company wants to know which brand of paint will hold up best in southern heat andsun conditions. Three different brands are placed in the sun and color samples are comparedevery month for two years. This is an example of which step of the Scientific Method?Oanalyze the resultsO conduct the experimentO form a conclusionO research the question
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Please put in your own words (Geology)
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1) Plant cells have a large central vacuole, which animal cells lack. What function does this organelle perform?
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what part of the cell is actually dividing in mitosis?
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3. SEP Engage in Argument Why is mass abetter unit for measuring matter than weight?
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NEED HELP ASAP. WILL MARK BRAINLIEST IF CORRECT! 20 POINTS!!What are 2 categories of cell cycle regulatory genes, and what are their functions?
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which process is directly used by autotrophs to store energy in glucose?
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What type of animal is a crab?A) InsectB) CephalopodC) ArachnidD) Mollusk
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what do bacteria do that is especially helpful to plants
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!!!I NEED HELP ASAP!!! PLEASE!Explain how damaging hemoglobin (macromolecule that carries oxygen in red blood cells)would impact a person on the following levels: molecule, macromolecule, cell, tissue, organ,organ system and organism.
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top body of water look at it between Western Europe and Northern Africa
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A student is designing an investigation to determine factors that affect homeostasis for the fish shown here. The student measuresseveral variables with regard to the fish in an aquarium. Which variable, when changed, would MOST LIKELY have an effect on theconcentration of the urine produced by the fish?
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how does natural selection and evolution lead to speciation
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Use the drop-down menus to complete each statement. You see lightning before you hear thunder because waves travel faster than waves. Light waves travel the slowest through . Sound waves travel the slowest through and fastest through .
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The nitrogenous bases of a piece of DNA is GCATTACGG. What is the nitrogenous base sequence of the messenger RNA that it produces?a) GCATTACCGb) CGUAAUGCCc) none of the aboved) CGTAATGCC
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Name a blood disease that shows too few red blood cells
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Name a blood disease that shows too many red blood cells
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Name a blood disease that shows too many red blood cells
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!!!I NEED HELP ASAP!!! I WILL MARK THE FIRST PERSON THAT ANSWERS THE BRAINLIEST!!! PLEASE!I can explain, on multiple levels of the biological hierarchy & in terms of homeostasis, whyZach had the following symptoms:a pale skinb. low blood pressurec. rapid pulsed. little urine
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Name a blood disease that shows too few platelets
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What would happen if there was an over abundance of starfish?
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Please put in your own words (Planets)
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help me please DIRECTIONS: Illustrate the flow of energy within the aquatic system below by completing each direction below.
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