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Task 1: Define each terms and give example.
1. Natural Selection
2. Adaptation
3. Habitat
4. Evolution
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- Directions: Write ADAPT if the statement is under the principle of Jean Baptiste de Lamarck and EVOLVE if the statement is under the principle of Charles Darwin. 1. Species may experience extinction if they are not fitted to live in their environment. 2. Species, which become extinct, just experienced evolution to fit in their environment. 3. Once a trait is developed due to adaptation in environment, it may be passed to succeeding oripnisms. 4. Habitual actions with a specific body part may lead to its changes. 5. Body parts that are of no use but still present in an organism's body are evidence for its ancestor species. 6. Animals with the same body part may have modifications depending on its physical requir. ements. 7. Changes happen in an organism for a long and uniform process. 8. A body part that is no longer used by an organism may lag from its development. 9. Birds grew web-like structure on their feet to be able to feed on the surface of water. 10. Ancestral…ACTIVITY 9.2: Essay. Directions: Read the situation and identify the points of Darwin’s natural selection. There are 2 types of worms: worms that eat at night (nocturnal) and worms that eat during the day (diurnal). The birds eat during the day and seem to be eating ONLY the diurnal worms. The nocturnal worms are in their burrows during this time. Each spring when the worms reproduce, they have about 500 babies but only 100 of tthese 500 ever become old enough to reproduce.A. Describe variations in populations. ____________________________________________B. Describe how offspring inherit surviving parent’s traits. __________________________________________________________________________________________________________C. Describe how more offspring are produced than survive. _________________________________________________________________________________________________________D. Describe how some variations are favorable. ___________________________________E. How will this population…Exercise 2: Read the situation below about "natural selection" and relate this situation to the statement "Survival of the Fittest". Situation: In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.
- Come up with five ethical guidelines for research. Write statements that reflect your own views of what is right and wrong. If you really love animals, an example of one guideline might be "No animals may be used in research of any kind." However, when coming up with these guidelines, be thoughtful about what they really mean. Think of the information you read about earlier. Try to phrase your guidelines in a way that would allow research that you think would be beneficial to still be done. You may find that certain circumstances may cause you to rethink your own ethics!. Test Your Skills 1. Describe what is happening in figures 1-3. 1 3 b. Is the population of mice different in figure 3 than in figure 1? Explain why. c. Living things that are well adapted to their ervironment survive and reproduce. Those that are not well adapted don't survive and reproduce. An adaptation is any characteristic that increases fitness, which is defined as the ability to survive and reproduce. What characteristic of the mice is an adaptation that increased their Eitness?1 Fri Mar 1 to C 1 hp + Writing Task: Citing the supplied documents and using your knowledge of natural selection, complete the following tasks. Explain what genetic variation is and how is it beneficial to a population facing an environmental challenge Engage in argument from evidence whether small or large body size is more fit for survival in the fish populations. Predict what is likely to happen to body size for fish harvested by nets if the holes in the nets were to become smaller 10% Done
- Skill 1: Applying The Scientific Method Science is the pursuit and application of knowledge to understanding of the natural world by following a systematic methodology based on evidence. The scientific method is an approach to gaining insights about the way nature works by creating and testing scientific hypotheses. A hypothesis is a proposed testable explanation of a natural phenomenon, usually based on prior knowledge and original observations. A hypothesis forms a basis of predictions regarding properties or behavior of a natural ei system under study. Once formulated, the predictions are tested by a carefully designed experiment, additional observations, or simulations, and the merits of the hypothesis are evaluated in light of the data. The hypothesis is falsified when data of differ from the predictions and, consequently, it is either modified or rejected. The modified hypothesis is then retested, further modified iteratively, until its predictions Sys are consistent with the…Lecture 3: Studying Life 1. What are the necessary components of a good hypothesis? 2. How does a hypothesis differ from a theory? 3. What are the common features of Experimental Design? 4. What is a peer reviewed journal publication and why is it important?Instruction: Read the theory below and formulate a hypothesis based on the theory. Design an experiment that will test your hypothesis. Provide a predicted result. Theory of Inheritance of Acquired Characteristics Jean-Baptiste de Lamarck based his theory on the observation that individuals inherit the traits of their ancestors. He proposed that "all the acquisitions or losses wrought by nature on individuals, through the influence of the environment in which their race has long been placed, and hence through the influence of the predominant use or permanent disuse of any organ; all these are preserved by reproduction to the new individuals which arise, provided that the acquired modifications are common to both sexes, or at least to the individuals which produce the young". Example, giraffes stretching their necks to reach leaves high in trees strengthen and gradually lengthen their necks. These giraffes have offspring with slightly longer necks. In essence, a change in the…
- POST QUIZ: Write true if the statement is true or false if the statement is false. 1. As recently as 200 years ago, many people believed that Earth was only 6,000 years old 2. Artificial selection occurs when nature selects for beneficial traits. 3. The individual Galápagos Islands are all similar to each other. 4. Malthus argued that human populations grow faster than their resources. 5. Lamarck was one of the first scientists to propose that species evolve by natural selectio 6. Lyell was one of the first to say that Earth must be far older than most people believed. 7. Lamarck's inheritance of acquired characteristics is has become a widely accepted scien heory. 8. Fossils proved to Darwin that species can evolve. 9. The term fitness to refer to an organism's ability to outrun its hunters. 10. Darwin published his findings soon after returning to England from the voyage of the Be 11. According to Darwin, natural selection is what occurs, and evolution is how it happens 12. During…Please answer all for the UPVOTE. This is just a TRUE or FALSE. No long explanation is needed. BIOLOGY A. In the 1810s, Charles Darwin outlined a comprehensive theory of evolution in which animals in the course of their lives become more complex and better adapted and then pass these changes onto their offspring. B. The information generated by secondary research contributes to the growing body of scientific knowledge, and it provides the scientific foundation utilized by applied research. C. Ernst Haeckel’s “tree of life is a sort of linear deontological version of evolution. D. Inductive reasoning is the reasoning of mathematics and philosophy and is used to test the validity of general ideas in all branches of knowledge. E. Scientific method consists of an orderly sequence of spiritual steps.What are the novel technologies, experiments, or materials (in vitro or silico) that provide ‘replacements’ for animals in experimentations?3R'SREPLACEMENT: means the substitution of living animals by in vitro techniques (eg cells, tissues), computerized models, etc.