Challenging Biology Problems with Detailed Answers

simple what first appeared in the proterozoic eon
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Select the best answer for the question.19. The component that makes up the majority of blood isitled foldO A. platelets.O B. plasma.O C. white blood cells.D. red blood cells.
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Water,salts, and urea are removed from the blood by the
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When DNA is copied, sometimes a new, incorrect, base pairing appears within the structure of a new DNA molecule replacing original base pairs. This mistake is called a base-pair ______________.Question 54 options:DeletionInsertionPointDuplication
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Is it correct to say the evolution is JUST a theory? Is gravity JUST a theory? Defend your answer
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Write the least common multiple of 7 and 14
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Which of these best describes incomplete dominance?When the dominant allele does NOT completely cover up the recessive allele and they MIX creating a third phenotype.When the dominant allele covers up the recessive allele.When both the dominant and recessive allele express a phenotype (like spots).
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Least common multiple of 5and 25
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Help please ill give you brainliest !!!!
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Which prokaryotes contain peptidoglycan in their cell walls?
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Which domain includes organisms that are called extremophiles?
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brainliest if your right
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Natural pollution includes____
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name 2 structures present in root hair cell that are not present in a red blood cell
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Which of the following is NOT a solution to lowering atrazine concentrations in aquatic waterways?
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How do jellyfish swim??? How do they glow???Do they evaporate???
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Which of the following statements is incorrect? 1. The tracheal mucosa consists of pseudostratified ciliated columnar epithelium. 2 .The trachealis muscle and elastic connective tissue allow for changes in the diameter of the trachea. 3. The trachea is located posterior to the esophagus and extends from the larynx to the superior border of the fifth thoracic vertebra. 4. The trachea has incomplete hyaline cartilage rings.
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explain why habitat loss and habitat division are threats to biodiversity
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Which is present only in Eukaryotic cells?A. Cell membraneB. chromosomesC. DNAD. nucleus
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Give example of SUTAINABLE USE and UNSUSTAINABLE USE of ANY 4 OF THE FOLLOWINGS: Water, Waste, Food, Paper, Energy, Plastic Help would be really appreciated! Best answer will be marked as brainliest(so try your best)!
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help.. Approximately what percentage of our tropical rain forests have already been destroyed? a. 10 percent b. 20 percent c. 50 percent d. 60 percent
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True or false:Winds are named by the direction they come from.
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when white light passes throught a prism, what can be discovered?
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whats a fossil and describe how fossils are formed
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