Biology

What happened as a result of wolves killing coyotes? a The number of rabbits and mice increased b Songbirds made more homes in the trees c Beavers built more homes along the river d Less hawks came to the area
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The Galapagos Islands are where Charles Darwin
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In a "minute to win it" game, cards are placed between cups to stack them. (see the picture) The contestant thenpulls the card out in hopes that they will end with a set of stacked cups. Why does this work?Yank Me!Minute to Win itParty Game
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Give an example of the law of conservationof mass.
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what is the main factor in the poor health of undeveloped countries?a. too few doctors b. more imports than exportsc. industrial pollutiond. infectious disease
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explain how gas is changed back into gas when it exits the barrel
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ANSWER ASAP please!!
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hurry!! Which best describes the reactants and products of photosynthesis?O Reactants are formed inside the plant, and products are taken in from the environment by the plantIhmO Reactants are taken in in the environment by the plant, and products are formed inside the plantO Reactants and products are formed inside the plantO Reactants and products are taken in from the environment by the plant.
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Morning glories are flowering vines that will climb up a trellis or other support by wrapping tendrils around it. What kind of tropism causes themorning glories to twine around the support this way?A. phototropism, because the light pulls the morning glories upwardsOB. gravitropism, because gravity helps the morning glories orient themselves in spaceOc. thigmotropism, because the morning glories twine around the support when they touch itD. nutrotropism, because the curliness of the morning glories depends on the nutrients in the soil
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which example best describes how an X-ray machine works?20 A QUESTIONSOSwitching a flashlight on and off to transmit a message0Removing the batteries from a flashlight to keep a room darkO Putting your hand in front of a flashlight beam to make a shadowOShining a flashlight beam on a mirror to brighten a roomSUBMIT
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Which of the following infectious disease agents is the smallest? A Bacteria B Virus C Fungus D Parasite
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Which types of bacteria does the Monera Kingdom consist of ?Plantae and FungiEubacteia and ArchaebacteriaPotistaAnimalia and Plantae
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The_________controls the movement of materials into and out of the cell.a.) cell membraneb.) nucleusc.) cytoplasmd.) mitochondrion
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Which of the following is considered a eukaryotic cell?
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It is best to say that most human sources of air pollution result from _______.
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2 body systems when shooting an arrow
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give one reason mendel chose pea plants for his experiment .
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A model of a gene, DNA, and a chromosome is shown here. A researcher tags the gene with a heavy radioactive isotope (P-32). Which statement predicts the outcome of the radiolabeling on the gene, DNA, and chromosome while differentiating between the three components of the model?
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An energy pyramid shows the amount ofavailable at each feeding level in an ecosystem
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ASAP, WILL GIVE BRAINLIESTWhich level of organization in the classification system is directly above the phylum level? Class Domain Kingdom Order
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(a) If a particular gene is located on the Z chromosome of this lizard species, describe why a lizard with a ZW genotype has a greater probability of expressing the recessive phenotype for the trait than a lizard with the ZZ genotype does.
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How can you decrease the effort force needed to push a weight to the top of the ramp? A)cover the surface with carpet B)increase the length of the ramp C)increase the height of the ramp D)decrease the length of the ramp
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Piyush is asked to classify samples of bacteria as bacilli, cocci, or spirilla.Which is the most useful strategy for him to follow?A.Analyze the DNA of the bacteria.B.Raise colonies of the bacteria in several growth media.C.Use a microscope to observe the shapes of the bacteria.D.Use a microscope to observe the colors of the bacteria.
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in The US- Which states had the darkest skies
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