5The group in an experiment that receives no amount of the IV is called the ConstantDependent variableControlHypothesisWhat is C?
6Hypothesis: If I change _____, then ______ will happen. DV, IVcontrol, DVconstants, nothingIV, DVWhat is D?
7The maximum # of organisms an environment can support Carrying capacityLimiting factorClimax communityPopulationWhat is A?
8Many different species interacting in a particular environment PopulationBiosphereCommunityBiomeWhat is C?
9Which of the following is not a biotic factor? A) DaisyB) BacteriaC) Oak TreeD) WaterWhat is D?
10The wrasse, a small fish, cleans parasites from the mouth and body of the moray eel. In return, the wrasse receives protection from predators. The is an example ofParasitismMutualismSaprophytismCommensalismWhat is B?
12pH is a measurement of the amount of ___ ions in solution Hydroxide (OH-)Sodium (Na+)Hydrogen (H+)Potassium (K+)What is C?
13The unique properties of water enable life to exist on Earth The unique properties of water enable life to exist on Earth. Which of these is a property of pure water? following best explains why a student researching genetics should use the most recent textbooks available?Its solid form is more dense than its liquid form.It has a low heat absorption capacity.It is slightly more acidic than air.It dissolves many substances.What is D?
14Water is considered the universal solvent because- water has a high boiling pointwater is a polar moleculewater is less dense as a solid than as a liquid75% of Earth’s surface is waterWhat is B?
15Which property of water allows many land-dwelling organisms to maintain body temperature by eliminating excess heat?Water’s ability to evaporateWater’s movement by capillary actionWater’s capacity to dissolve substancesWater’s formation of ions in solutionWhat is A?
16An experiment is designed to clear an oak-hickory forest and replant the area with pines. Which of the following species would be most threatened by this experiment?Field sparrowCardinalSummer tanagerHooded warblerWhat is D?
17In the table, which item of data is most likely to be invalid? Plot 1 on July 1Plot 2 on June 15Plot 3 on May 15Plot 4 on May 30What is B?
18The diagram shows a simplified nitrogen cycle The diagram shows a simplified nitrogen cycle. Which process is responsible for returning nitrogen to the air?ExcretionDecompositionPhotosynthesisNitrificationWhat is B?
19On which axis of a graph should you place the independent variable? The X axisThe Y axisIt doesn’t matter which axis you place it onOn the mid-pointWhat is A?
20An enzyme is a ________ that catalyzes, or speeds up, a chemical reaction. CarbohydrateLipidNucleic AcidProteinWhat is D?
21Enzymes lower _______ in a chemical reaction and remain unchanged in the process. Initiation potentialCarrying capacityActivation energyMaximum potential yieldWhat is C?
22The movement of molecules from an area of high concentration to low concentration is called- DiffusionOsmosisActive TransportPhagocytosisWhat is A?
23When molecules move from an area of low concentration to an area of high concentration this is called ___________ because it requires energy.OsmosisDiffusionActive TransportPassive TransportWhat is C?
35The picture shows a segment of DNA from a cat The picture shows a segment of DNA from a cat. Which of these is the most likely the kitten of the cat?1234What is D or 4?
36Inversions in chromosomes occur when part of a chromosome breaks out and is reinserted upside down. Which of the diagrams below represents an inversion?What is C?
37The process of DNA replication produces two identical strands of DNAcodes for RNA moleculesProduces 4 daughter cellsmodifies lysosome enzymesWhat is A?
38How is a homozygous dominant parent expressed? Two lowercase letters (aa)Two uppercase letters (AA)One uppercase and one lowercase letter (Aa)A and B are both correctWhat is B?
39Based on the method by which they get food, organisms are classified as autotrophs or heterotrophs. Which organism listed below is correctly paired with its metabolism?Mushroom-autotrophHuman-heterotrophGrass-heterotrophFish-autotrophWhat is B?
40What is happening during the synthesis phase (S) of Mitosis? Normal cell growthPreparation for cell divisionAlignment of chromosomes at the equatorReplication of DNAWhat is D?
41If you cross 2 Heterozygous tall pea plants, how many of their offspring will be short? 4 out of 4 (100%)3 out of 4 (75%)2 out of 4 (50%)1 out of 4 (25%)What is D?
42Which of these organisms is considered a decomposer? BacteriaEarthwormSpotted owlLeopardWhat is A?
43Which of the following methods would provide the most accurate information for students collecting data about local attitudes concerning the use of alternative fuels for automobiles?Take an opinion poll of drivers.Listen to speeches given by politicians.Study newspaper articles.Track prices at nearby gas stations.What is A?
44A student is trying to determine the effect of pollutants on the growth of three groups of seeds. The results will not be valid because the experiment has no-conclusionhypothesiscontrolvariableWhat is C?
45Which piece of laboratory equipment should be used to most accurately measure the volume of a liquid?BeakerTest tubeMetric balanceGraduated cylinderWhat is D?
46According to this data, what percentage of vitamin supplement should be added to the turkey’s diet for maximum weight gain?6%20%10%14%What is C?