Biology

the energy required for a seedling to push up out of the ground comes from
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Explain how each of the following could lead to the reemergence of malaria in the United States: (a) global warming, (b) increased travel of individuals from endemic regions to the United States, (c) increased immigration of individuals from endemic regions to the United States, and (d) laws protecting wetlands.
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Looking at the aquatic food web below, where is energy starting in the food web A. Seagull, penguin, and elephant sealB. Phytoplankton and seaweed C. Blue whale and killer whale D. Crabs, krill, Fish
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Which is the best hypothesis for the extinction of the dinosaurs at the end of the Cretaceous period?A.Mammals evolved and killed the dinosaurs.B.Humans destroyed all the dinosaurs.C.The climate changed and the dinosaurs could not adapt.D.The dinosaurs killed each other.
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If antenna length in Mendaliens is controlled by a single gene and long is dominant to short and two Mendaliens with Long antenna have some offspring with short antenna, what is the genotype of the Mendalien parents
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All options below explain why invertebrates reproduce more fertilize eggs than needed EXCEPT thatTo make sure that other animals have a food source.Many of the eggs will not survive and hatch due to predators.This ensures that many of the eggs will have a chance to reach its adult stageThe more eggs produced the higher the chance more will survive
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what is an example of something that keeps our genes heathy ?
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what do you think whould be the function of each of these cell parts in an animal cell
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Use the graph below to explain the ideal conditions for the enzyme it represents.
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Suppose you were interested in the effect of breastfeeding versus formula feeding on the composition of gut flora in newborns. As part of your experiment, stool samples from healthy babies in the study get plated on various agar media. You notice that greater numbers of colonies are recovered when samples are plated on blood agar compared to nutrient agar (NA). After some diligent subculturing, you isolate several bacterial species capable of slow growth on the blood but not on the NA. You correctly surmise that these organisms: ______________a. are opportunistic blood pathogens. b. have extensive and complex nutritional requirements not met by NA are inhibited by the ingredients in NA. c. should be classified as beta-hemolytic. d. grow because the blood agar suppresses the growth of faster-growing bacteria.
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If red blood cells are placed in distilled water and examined under a microscopeno cells are seen.Explain why no red blood cells would be seen
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How do organisms depend on and compete for biotic and abiotic factors?Your answer should include at least 6 sentences to explain the claim, evidence and reasoning.
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An example of abiotic factors influencing marine organisms is:*O predationcompetition for food,parasitism.salinity.bacterial disease.
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Are there any differences between what we need as humans and what animals need? If so, what?
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the process of activating photoreceptors by altering the photopigments is known as __________.
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The image shows a facility that converts the energy of moving water intoelectrical energy. What is one advantage of using this technology in place of acoal-burning power plant?A. It produces more water pollution.B. It causes no harm to ecosystems.C. It does not emit greenhouse gases.D. It is fueled by a nonrenewable resource.
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the two pathways fundamentally involved in the physiological response to stress are A. HPA and CRHB. SAM and PVN C. SAM and HPAD. CRH and ACTH
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Which part of the plant releases energy from food
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Which organisms "invented" (were the first to use) fermentation? afungi bplants cbacteria danimals
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How does temperature affect the rate of a reaction?A. temperature decreases, the kinetic energy of the particles increases and the number of collisions between particles increasesB. As temperature increases, the kinetic energy of the particles increases and the number of collisions between particles increasesC. As temperature increases, the kinetic energy of the particles decreases and the number of collisions between particles increasesD .As temperature increases, the kinetic energy of the particles decreases and the number of collisions between particles decreases
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magine a white bug and a brown bug on a brown rock. Which bug do you think a bird would most likely try to catch? Explain your choice.
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All living things are made of one or more organs? True or false
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What is the age of a meteorite if potassium-40 decayed from 80 g to 10 g? The half-life of potassium-40 is 1.3 billion years.1.3 billion years2.6 billion years3.9 billion years5.2 billion years
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3. Describe each one of the following types of fractures: simple fracture compound fracture incomplete fracture impact fracture comminuted fracture
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