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The size of a food web is limited by the number of

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Which is the best description of biology? The study of humans and animals? The study of life and living things? The study of health care? The study of humans,plants, and animals

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How does using a ramp make work easier when loading a piano onto a truck three feet above the ground

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How does salt work to kill bacteria and make food safe to eat?

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The fusion of gametes is called

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Using one or more of your senses to gather information is called a. observing. b. inferring. c. predicting. d. classifying.

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The purpose of the coenzymes nad and fad is to carry blank ions to the stage of respiration called blank

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Environmental factors are capable of changing ones dna and can cause uncontrolled cell growth that often results in cancer what are are these factors called

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Spliting of water during photosynthesis is called

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Reaction in photosynthesis in which energy from the sun is converted to chemical energy is called

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Which of the following is NOT a food produced in rainforests? A. Coffee B. Cocoa C. Avocados D. Mustard seeds

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What is a A space or room within the heart called

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What is the knee cap called

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Select three types of food that the FDA regulates. alcohol apples beef corn poultry tomatoes

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Autotrophic bacteria near deep ocean hydrothermal vents get their food from A.chemosynthesis B.absorbing nutrients from dead organisms falling from above C.consuming the waste of animals in the environment D.photosynthesis

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Which of the following statements is NOT true? A. You are exposed to nuclear radiation everyday. B. Most of the nuclear radiation you are exposed to occurs naturally in the environment. C. Naturally occurring nuclear radiation is called background radiation. D. All natural radiation is at a level low enough to be safe.

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Which statement BEST describes common communicable diseases? A. Most communicable diseases are either bacterial or viral and infect the respiratory tract. B. All communicable diseases are viruses that cause pneumonia. C. Most communicable disease are bacteria and viruses that infect the intestinal tract. D. All communicable diseases are bacteria that grow in the respiratory tract. after reading this: A communicable disease is an illness transmitted through contact with microorganisms. People, animals, food, surfaces, and air can all be carriers of the microorganisms that pass infectious illnesses from one host to the next. The exchange of fluids or contact with a contaminated substance or individual may be enough to allow a communicable disease to spread. what do you think the answer is?

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4. In an experiment, suppose that the wings of fruit flies were clipped short for fifty generations. The fifty-first generation emerged with normal-length wings. This observation would tend to disprove the idea that evolution is based on a. inheritance of natural variations b. inheritance of acquired characteristics c. natural selection d. survival of the fittest 5. Charles Darwin called the ability of an organism to survive and reproduce in its specific environment a. diversity b. fitness c. adaption d. evolution 6. Similar patterns of embryological development in different but related organisms are responsible for the formation of a. homologous structures b. analogous structures c. Hox genes d. intermediate fossil forms 7. If an allele makes up one half of the frequency of a population’s allele for a given trait, its allele frequency is a. 100 percent b. 75 percent c. 50 percent d. 4 percent 8. The frequency of phenotypes for a typical polygenic trait is most often illustrated as a. a scatter plot b. a bell-shaped curve c. a pie chart d. a histogram 9. Which of the following events do biologists consider a random change? a. directional selection b. speciation c. disruptive selection d. genetic drift 10. Which of the following statements defines the members of a species? a. They are temporarily isolated from each other b. The are geographically isolated from each other c. They mate and produce offspring d. They have identical genes

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What are materials that come from living things called? please list at least 3

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How can hybridization be used to produce plants with characteristics needed to increase food production

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Which would be directly related to the science of ecology? A. uncovering the genetic make-up of the eastern cottontail rabbit B. developing strains of corn that can withstand a combination of drought and high winds C. learning about foods that benefit the heart and blood vessels D. studying how the mayfly population affects the number of trout in a stream

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What macromolecule is produced during photosynthesis for plant food? lipids amino acids proteins carbohydrates

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If you are using a screwdriver to pry open a paint can, you are using what type of simple machine? Question 1 options: pulley lever screw wheel and axle What is done whenever a force moves an object through a distance? Question 2 options: force load energy work What simple machines would move or turn an object? Question 3 options: wheel and axle lever screw wedge A see-saw is an example of what type of lever? Question 4 options: First Class Second Class Third Class Fourth Class A ramp is an example of an inclined plane. A man in a wheelchair was trying to get up the ramp, but he was having trouble because it was too steep. What can you do to make the ramp more useful? Question 5 options: Shorten the ramp Decrease the height of the ramp Remove the ramp and put in stairs Lengthen the ramp

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A ramp is an example of an inclined plane. A man in a wheelchair was trying to get up the ramp, but he was having trouble because it was too steep. What can you do to make the ramp more useful? Question 5 options: Shorten the ramp Decrease the height of the ramp Remove the ramp and put in stairs Lengthen the ramp

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If water concentration inside a cell is higher than the water concentrantion outside the cell, water flows out of the cell. this method of molcelular transport cis called

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Dna is packaged in the nucleus of the cell in a structure called ________________ in which the dna coils around proteins called histones many times over. when cell replication occurs, the dna condenses even more into a ___________________.

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A liver cell requires energy to move vitamins from an area of low concentration, across the cell membrane, to an area of high concentration. The process used by the liver cell is called

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Which of these words most closely matches the meaning of the word maturing in the sentence, “All these gases leave little holes in the maturing cookie, which makes it light and flaky”?A. burntB. growingC. spoiledD. stale

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A couple has just learned that their daughter has hemophilia. They already have a son who does not have the disease. What are the genotypes of the couple? Explain this answer plz with detail :)Will make brainliest

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The fuzzy-looking structures in a mold colony are called sporangium. True or False ?

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