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Which statement summarizes the law of segregation?

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Scientists have discovered bacteria that can survive in the hot temperatures found in the lava of volcanoes. Which statement best explains how bacteria could survive in this environment? *

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Which statement is best supported by the data in the graph? A graph entitled Number of people living with H I V, number of people newly infected with H I V and number of AIDS deaths worldwide from 1990 to 2008 in millions is shown. Year is on the horizontal axis and number of people is on the vertical axis. The number of people living with H I V steadily increases over the years. The number of people newly infected increased from 1990 to 1996 and then began to decrease. The number of deaths due to AIDS increased from 1990 …

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Which statements describe the relationship between the area and the biodiversity of an ecosystem? Check all that apply. Large ecosystems always have higher biodiversity than smaller ecosystems. A large area of a forest will likely have higher biodiversity than a smaller area of the same forest. A half acre of rainforest would likely have greater biodiversity than a full acre of desert. Small ecosystems always have low biodiversity. The same area of two different types of ecosystems will have the same biodiversity.

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Which of the following is a true statement about codons? A. A codon is a sequence of four nitrogenous bases. B. A codon is a sequence of three amino acids. C. In translation, an mRNA codon is recognized by its complementary amino acid. D. In translation, an mRNA codon is recognized by its complementary tRNA.​

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In 2006, scientists discovered fossilized skeletons of an animal with several interesting features. Fossil evidence indicated that the animal not only had scales, fins, and gills, but also had lungs, a full set of ribs, and limb bones arranged to support the animal’s weight. The illustration below shows what the animal, called Tiktaalik, probably looked like based on the fossil evidence.Which of the following statements best explains why the Tiktaalik fossils are an important piece of evidence for evolution? A. They include skeletons of both males and females. B. They are complete skeletons of a carnivorous animal. C. They allow …

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Please help I’m being timed Scientists have several theories about magma hotspots and mantle plumes. They are theories because neither can be observed within the Earth's layers. The model represents the scientific theories about the origin and activities associated with a hotspot. Select which statement is NOT an accurate description of either the origin or activities of magma hotspots? A) Hotspots originate in the mantle. B) Hotspots often result in the formation of islands. C) Hotspots are often found in areas of seafloor spreading. D) Mantle plumes are magma that shoot up from a hotspot through the crust.

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Phycobiliproteins are a complex of accessory pigments and proteins found in cyanobacteria but not in green algae. A researcher claims that the phycobiliprotein pigments in cyanobacteria allow the cyanobacteria to survive in certain aquatic niches better than green algae can. Which of the following statements best justifies the researcher’s claim? A. The additional pigments allow the cyanobacteria to store light energy so that it can be used at night to continue photosynthesis. B. The additional pigments block light and prevent it from reaching photosynthetic organisms at greater depths, so no photosynthetic organisms can live below the surface waters containing cyanobacteria. …

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This chart lists four examples of two objects that are in contact. A 3-column table with 4 rows. The first column has entries Example 1, Example 2, Example 3, Example 4. The second column labeled Object 1 has entries fire, a metal at 80 degrees Celsius, the cool ocean, a tool with a lot of thermal energy. The third column labeled Object 2 has entries air, a metal at 12 degrees Celsius, the warm air, a material with little thermal energy. Which statement accurately describes the flow of heat in each example? Heat will flow from Object 1 to Object …

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Antibiotics are powerful medicines that fight certain types of infections. Used properly, antibiotics can save lives. Which of the following statements accurately describes how antibiotics work?

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Explain what is meant by the statement, "Cells are very different, yet very similar."

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Explain why plate tectonics is the scientific theory and a scientific law

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A farmer decides to go into the business of raising trout for tourists who enjoy fishing. She builds six trout ponds and stocks each of them with trout from genetically identical stock. Her friends tell her that because she started each pond with just a few trout, she has created a bottleneck effect and her trout populations are likely to become genetically different rapidly. Which of the following statements about her trout is likely true?Because the ponds are different and the populations are likely to experience different mutations, the populations will likely diverge evolutionarily, but only over many generations Whether …

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Which of the following statements is correct? a) Vitamin losses through sweat are minimal. b) Vitamins are inorganic compounds required in small amounts. c) Phosphate is a trace element. d) Vitamin A is a water-soluble vitamin.

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A scientist is studying fruit fly wings. Straight wings are dominant, and curly wings are recessive. Which statement correctly describes the F1 generation if a straight-winged parent is crossed with a curly-winged parent and if both parents are true breeding? The offspring will have two genes for straight wings. The offspring will produce only gametes that have genes for curly wings. The offspring will have one allele for straight wings and one allele for curly wings. The offspring will have only one kind of allele for the gene that determines wing type.

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Statement #4: Cells are different in their size. Agree or Disagree? Evidence: