Biology

When a beneficial mutation spreads through an entire population of organisms, that population?
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When 4.41g of phosphoric acid (H3PO4) react with 9.25g of barium hydroxide, water and insoluble barium phosphate form. mole ratio
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The deer, snakes, and frogs represented in the food web are all types of1 consumers2 prey.3 herbivores4 predators
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A forest fire destroyed many plants in a forest. Some plants survived. The process that will allow the population of these plants to increase is
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The book named Principles of Geology, which influenced Darwin, was written by
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Genetic drift is change in the allele frequency of a population due to....natural selectionartificial selectionnon-randommating (sexualselection)random chance(its a quizzical plss)
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UNIT 6 LABForensic Advances Raise New Questions About Old ConvictionsWhat happened during William Richards first three trials? What was his sentence?In the fourth trial, what did the forensic dentist tell the jury? What does this same dentist feel about his testimony in hindsight?Explain how as technology evolves, forensics experts testimony will evolve as well.Do you think Richards deserves another trial? Why or why not?In Texas, A Living Lab for Studying the DeadDescribe the Forensic Anthropology Center at Texas State University.What have the researchers already discovered about the set of human remains that have been in the trench since February?Why does Ms. Nugent study forensic anthropology?What do the students do at the site? What happens to the bones?Would you be interested in studying in a research center like this one? Why or why not?In Rwandan Mass Graves, There are Few Ways to Identify the DeadWhat elements do forensic anthropologists look for in order to help identify the victims in the mass grave?What about Rwanda makes this work more unique than one might typically expect?
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imagine that cl- ions exist in higher concentration outside a cell than inside, and that the membrane is only permeable to the cl- ions. which one of the following statements is correct? a. at equilibrium, the inside of the cell will be electrically negative with respect to the outside. b. the chemical gradient tends to drive cl- ions out of the cell. c. the electrical gradient tends to drive cl- ions into the cell. d. water molecules will diffuse out of the cell by osmosis. e. none of the above statements is correct.
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Briefly describe the three sources of food energy in the oceans
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which two biomes contain plants adapted to dry conditions?1. Savanna2. Boreal forest3. Tropical rain forest4. Desert
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Democratic structures
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10.Diffusion occurs when there is a net movement of particles from an area of ______________concentration to an area of ________________concentration.
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1. An egret hangs out with cattle. The cattle graze and eat grass. The cattles grazing disturbs the insects and other animals living in the grass. This disturbance makes it easier for the egret to catch and eat these insects for food. Type of symbiosis
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8. How do carrier proteins facilitate active transport?A.Carrier proteins create an isotonic solution.B. Carrier proteins block the plasma membrane.C. Carrier proteins move substances from a low to high concentration.D. Carrier proteins move substances from a high to low concentration.
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Which answer correctly associates a phase of mitosis with what happens to chromosomes during that phase?.
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Tell me in 4-5 sentences: Where does the hydrogen that's in a carrot that I just ate come from, what does it help produce after I eat it, and what are the steps along the way? (need answer asap !)
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How might a cell use a combination of proto-oncogenes and tumor suppressor genes to regulate cell division? Under what conditions might a cell want to divide faster?
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The pointer is indicating the virus's _____. A scheme of a virus. It consists of small rounded particles arranged in a circle. There is a pair of wavy lines in this circle. The arrow indicates these lines. Envelope genome mitochondria capsid microfilaments
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B. What has happened to the deer population since the wolves have returned? (1 pt)
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microscopic organisms that live within other organisms, namely people or animals, and are spread through contaminated water used in the growing or preparation process of food are referred to as:question 10 options:viruses.dna.parasites.protozoa.
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What is the role of the cell membrane?to control the functions of the cellto provide a firm structure for the cellto control what enters and leaves the cell
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Di-Hybrid Crosses - you will be looking at 2 traits at the same time. Your goal will be to determinewhether two genes are on the same chromosome or not, and how far apart they are. Before you set outto solve the problem, let's do a warm up cross.Warm up Cross. Cross a wild type female with a male - design - Bristles -spineless and Wing shape -dumpy.1.Based on your F1 resultsmake a claimabout how the dumpy and spineless bristles are inherited(e.g. autosomal, dominant, etc.). Justifyyour claim.
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ASAP!! 100 POINTS!! BRAINLIEST SUM1 SKETCH PRIMARY SUCCESSION PLSSS! ASAPPP
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what are the chances of getting pregnant on your period?
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