Using Darwin's theory of Natural Selection write a paragraph which explains why resistance to herbicides has evolved in the pigweed plant. Your answer must include the following terms. Please put your terms in bold text for ease of reading. Individual variation Differential survival
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Using Darwin's theory of Natural Selection write a paragraph which explains why resistance to herbicides has evolved in the pigweed plant. Your answer must include the following terms. Please put your terms in bold text for ease of reading.
- Individual variation
- Differential survival
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- Using Darwin's theory of Natural Selection write a paragraph which explains why resistance to herbicides has evolved in the pigweed plant. Your answer must include the following terms. Please put your terms in bold text for ease of reading. Overproduction Individual variation Differential survival Adapted and/or adaptationClick on "Select for Round". Click on "Harvest". Notice that your graphs will populate with data points for phenotype frequency, genotype frequency, and allele frequency for the first generation. Click on "Plant Round" to plant the next generation. Harvest again to see the results of your next generation. Alternate planting and harvesting to continue artificial selection over generations. Watch the graph of allele frequencies in the bottom right. Continue the cycle until one allele is eliminated entirely from the population (frequency is 0) and the other allele is fixed in the population (its frequency is 1, which means it is the only allele present in the population for this gene). How many generations did it take for an allele to become fixed in the population? (See the number of generations on the X axis of your graph).plants were grown using two differenc fertilizers and the number of flowers that each plant produced was counted. to test for a significant effect of fertilizer on the number of flowers at the 5% level significance, the calculated and the critical values were computed. type both the null and the alternative hypothesis for this test in the box below. use full sentences to describe both H0 and H1. (no mathematical terms in the answer)
- Greg is forming a hypothesis for a science experiment. His current hypothesis is: "How many hours of sunlight per day is best for dandelion flowers?" What is wrong with Greg's current hypothesis? (Choose all that apply) It should test a wider variety of flowers. It isn't written in the form of a statement. It doesn't provide enough evidence. It doesn't define an independent variable It is too broad, and not testable. It doesn't define a dependent variableFruit scientists are trying to determine the role of the pectinase (p) gene in a plant’s ability to tolerate cold conditions. The table shows each of three possible fruit tree genotypes and the percentage of fruit produced at different temperature ranges. Which of the following statements best describes the evolutionary concept illustrated by this example? A. Homozygous genotypes increase fitness in a population. B. Hybrid plants are known to have a disadvantage over homozygous genotypes. C. Natural selection selects against the recessive gene and for the dominant gene. D. Certain phenotypic variations can significantly increase fitness of the organism in particular environments.The figure below shows an insect, pelican, and a magnolia tree. Please select the organism that has the trait that is described. Reproduces only once during its life time [Select] Has an annual life cycle [Select] Reproduces more than two times in its life after it has stopped growing (or grows very slowly) [Select] Is semelparous [Select] Has to trade off growth, and reproduction as it age ✔ [ Select] magnolia trees none of the above pelicans cicadas Is a hermaphrodite [Select] A. Cicadas B. Pelicans C. Magnolia Tree
- Use these pictures with the tables/data to answer these questions. Answer the questions completely and correctly. Questions: In the pre-industrial revolution environmental condition: 1. What is the environmental condition that is responsible for selection (selection agent)? 2. What is the adaptive trait? 3. What was the final proportion of black to white moths? In the post-industrial revolution environmental condition: 1. What is the environmental condition that is responsible for selection (selection agent)? 2. What is the adaptive trait? 3. What was the final proportion of black to white moths?Can I get a good drawn out example of a concept map? Instructions are provided in the photo attached. Read first paragraph.Please explain briefly (one sentence for each step) the Darwin's Theory of Natural Selection in 4 steps
- Question 2) : You observe a species ingesting a plant that has some medical benefits. What simple experiment could you do to find out if that behavior is a genetically determined biological adaptation or a medical practice? (hint: your answer should also contain what the difference between the two is)Which type of selection is represented by a population of flower that grows either short stems or long stems? Stabalizing Directional DisruptiveExplain how Darwin’s theory of evolution via natural selection was influenced by the work of scientists that preceded him. Highlight the contribution of three scientists mentioned in the text / slides in your response.