Master Biology with Fun Quizzes & Brain Teasers!

The Venn diagram compares and contrasts two of the biological domains. These two domains have several characteristics in common. What characteristic could you NOT add to "C"?A) prokaryoteB) cell wallC) unicellularD) peptidoglycan
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During which year does a baby girl's height increase most rapidly?
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Match each term with the correct location on a trophic pyramid.TermProducersPrimary ConsumersSecondary ConsumersTertiary ConsumersApex PredatorDefinitionA) Second level from the bottomB) Top of the pyramidC) Middle of the pyramidD) Second level from the topE) Bottom of the pyramid
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Think about what you have learned about the trophic levels of an ecosystem. What is likely to happen if the producers were suddenly removed? Explain what would likely occur if all decomposers suddenly disappeared.
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In which kingdom are humans classified? A. Animalistic. B. Fungi. C. Archaea. D. Protista
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How are the earths homeostasis and the human body homeostasis similar
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If a couple has a 50% chance of producing an XX chromosome offspring with red-green colour deficiency, what is the genotype of the couple?Parent 1 (XX)Parent 2 (XY)
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See figure: The U-shaped tube is divided by a membrane that is impermeable to galactose but permeable to water. The liquid volume of left side will ________ after 1 hour.
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Human skin color is controlled by multiple genes, and the inheritance of thistrait is considered quantitative-the more the number of dominant alleles,the darker the skin color. What are the chances that an AaBbCC man and anaabbCc woman can have an AaBbCc offspring?
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1.Why does a migrating goose have to know it is spring?
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What do other-feeders need to obtain in order for their cells to be able tomake the molecules they need?O A. Mitochondria from other cellsB. Organic compoundsC. Energy from the SunD. Carbon dioxide
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7. In the space below, construct an ecological pyramid for your ecosystem. Include at least nine organisms in your energy pyramid. Label each level of the pyramid with the correct trophic level. Label each level of the pyramid with the correct type of producer or consumer. Assume the lowest level of the pyramid has 100,000 units of energy. Label the units of energy that will be transferred up to the remaining levels of the pyramid.Ponds are a type of freshwater ecosystem that has shallow and slow-moving water (is lentic), and, because it's shallow, light can reach the bottom of it.Some organisms that we can find living in a pond are the following:Water liliesFrogsTurtlesFishGeeseDragonfliesAlgaeCyanobacteriaDucksWater snailDuck potatoEarthwormsMosquitosPond skaterNewtsMosquito fern/fairy mossDuckweedsWatersnakeSalamandersWater beetle
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According to this cladogram, what do amphibians and birds have in common? 1. Four limbs2.Egg Shells3.Amniotic egg4.Hair/fur
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Explain at the molecular level why water has a high specific heat. Be sure to define specific heat in your answer.
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Complete the sentence. A decrease in habitat can increase the ______________ of organisms that depend on the area for hunting and nesting and are unable to leave. birth rate death rate emigration immigration
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Which of the following structures are found in both plant and animal cells?I.cell membraneII.cell wallIII.chloroplastIV.cytoplasmV.nucleus
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based on this phylogenetic tree, would you predict that it would be more difficult to develop a drug to treat fungal infection or a bacterial infection of humans? why?
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Round (R) is dominant over wrinkled (r) andGreen (Y) is dominant over (y) yellow. Cross thefollowing and express the phenotypic andgenotypic ratios. RrYy and rrYyA 12/16B 9/16C4/16D3/16
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Limiting factors are the components of the environment that _____ the growth of populations.Group of answer choicesdiminishrestricteliminatepromote
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Which of the following is not true when comparing a reaction using an enzyme to the same reaction without anenzyme?O The reaction without the enzyme required more activation energy to get started.O The reaction with the enzyme will be faster.O The reaction with an enzyme will release more (net) energy.O The reaction with the enzyme will have lower activation energy
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The tough fibrous skin that covers bone is called:A. Medullary cavityB. Epiphyseal lineC. PeriosteumD. Diaphysis
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2. Which of the following cell types are haploid?a. Heartb. Spermc. Liverd. Somatic
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Which is most likely to cause increase in predators population
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In 1668 Francesco redi, published the investigation showing that fly larva grow on meat if adultflies have access to the meat fly larva do not grow on meat if adult flies do not have access tothe meat the cell theory was later developed by using evidence from many differentexperiments and observations. Which part of the cell theory is supported by the results ofreddi's investigation?A. all cells originate from other cells.IB. all organisms are composed of cells.C. cells transfer hereditary information during cell division.D. cells are the basic structural and functional units of organisms.
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