Master Biology with Fun Quizzes & Brain Teasers!

Which animals use echolocation? (Select all that apply.)mosquitoseaglesporpoisesdolphinsNO LINKS
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Which of the following is true about skin, bones, the heart, and intestines?
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What is the chemical formula of oxygen?
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Which of the following particle(s) is/are responsible for atoms bonding?Valence electronsProtonsNeutronsPositrons
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How is DNA contributed to the offspring by each parent in sexual reproduction?
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The occipital lobe is the largest lobe in the human brain. Please select the best answer from the choices provided T F.
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Assume that there are five alligators per acre in a swamp in northern Florida. This is a measure of the alligator population's:________.A) intrinsic rate of increase.B) dispersion.C) range.D) density.
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in your own words please Geology
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What is a characteristic of excruciatingly ?
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What is lost from the nucleus of an atom when it emits an alpha particle?two protons and two electronstwo protons and two neutronstwo neutrons onlytwo protons only
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Identify the element represented by the electron shell diagram below:Captionless ImageSodiumLithiumMagnesiumTitanium
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What happens with wind speeds and atmospheric pressure before a hurricane?
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In the metric system, prefixes make the metric system easier to learn because the
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what can add and remove carbon from the atmosphere in the model above
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Most organisms take in nitrogen from the air or water and use it to carry out their life processes
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Explain how the radioactive decay of an elements isotope can result in the isotope of an entirely different element. (Please Hurry, Thank You!)
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If eyepiece of a microscope has a power of 10 X in the objective lens is 45X what is the total magnification
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Viruses use host cells to -- Choose the correct answer --
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What allows lysosomes to perform their function
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Please tell me if i did this right?
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in ecosystems, the flow of ______________ is one-way, while _________________ are constantly cycled.
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Zelda is a marathon runner. She completes the marathon in 2 hours and 30 minutes. Which of the following is true regarding her fuel use during the marathon?A. If she runs out of muscle glycogen at the 2-hour mark, she will not feel fatigue.B. Anaerobic glucose breakdown, using muscle glycogen, will provide most of the ATP for the marathon.C. Liver glycogen is the preferred fuel during intense muscular activity lasting less than 2 hours.D. As exercise duration increases beyond 20 to 30 minutes, blood glucose will become increasingly important to spare muscle glycogen, so Zelda will have the ability to sprint across the finish line.
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Bacteria are different from viruses because bacteria
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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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