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Describe how changes in the ladybugs'environment may influence their survival and/or reproduction. Make sure to use the vocabulary terms adaptation, natural selection, and polymorphic.
Ladybugs belong to the phylum arthropods and are natural killers for many herbivorous insects. They are found worldwide and are known to benefit farmers since they feed on aphids and other herbivorous insects. A female ladybug eats around 5,000 aphids in its lifetime to support their nutrition requirements. They are also adapted to survive the environment and undergo changes to address climatic conditions.
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- Explain how sexual selection might lead to a)sexual dimorphism and b) members of one sex (usually male) having traits that do not enhance their survivalNatural selection and artificial selection or selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. Changes in genetic traits have occurred over generations through both natural selection and selective breeding although the occur through different means. What characterizes only artificial selection? Choose all that apply. A) chickens that lay larger eggs are favored B) selection increases the chances of surviving C) selection make a species stronger and fit for survival D) selection favors the desired characters in the new organismsDefine natural selection using the 5 points below to explain its role in understanding primate behavior. (1) there is variation among individuals; (2) some of that variation is heritable; (3) there is always competition between individuals for resources; (4) some variants outcompete other variants and leave more offspring; (5) to the extent that the parent's traits are heritable, then a larger portion of the next generation will reflect those traits.
- Which of the following statements about ADAPTATION are TRUE? (Identify ALL that are TRUE) Select 3 correct answer(s) Question options: Adaptations include PHENOTYPE changes within a species or population, in response to changing environment Adaptations include changes in GENE EXPRESSION within individuals, making individuals better suited to changes in environmental conditions Adaptations include GENOTYPE changes within a species or population, making individuals better suited to a particular environment Adaptations include GENOTYPE changes within a species or population, in response to changing environment Adaptations include PHENOTYPE changes within an individual, making that individual better suited to a particular environmentDarwin's studies of Galapagos finches are well known in the study of evolution. These studies have been instrumental in helping us understand how new species evolved from pre-existing species. Which statement is true about the speciation of the Galapagos finches? A) The finches evolved traits to help them survive in different environments. B) The finches had different traits that influenced the environment in which they chose to live. C) Genetic variation occurred amongst the finches, giving some a genetic advantage in a changing environment, allowing them to better survive. D) Members of the original population evolved in such a way that it became impossible for individuals from the two new populations to interbreed. not graded use photoWhat is variation? Give its importance. What are the possible causes of variations? Give specific examples. How would you know or identify if the cause of variation is genetic, environmental, or both? Classify these variations as to "species characteristics" or "individual characteristics". Thorns in the stalk of the rose flower Body size of ants Color of apple skin Color mosaic in San Francisco leaf Number of body segments in worm
- Background: In class we did a project about m and m’s and there ability to evolve and natural selection. (Yes I know they can’t actually evolve it was just used as a example in class) however I can’t figure out this question. Occasionally a mutant may occur and produce a candy that is misshapen or Pointier or flatter than the rest. Often this proves to be a weakness, but a rare mutation may confer extra M&M durability. Other mutations in M&Ms could occur ( like ones that result in a new color). A mutant un you population represents a new _________. What goes in the blank1) Darwin's studies of Galapagos finches are well known in the study of evolution. These studies have been instrumental in helping us understand how new species evolved from pre-existing species. Which statement is true about the speciation of the Galapagos finches? A) The finches evolved traits to help them survive in different environments. B) The finches had different traits that influenced the environment in which they chose to live. C) Genetic variation occurred amongst the finches, giving some a genetic advantage in a changing environment, allowing them to better survive. D) Members of the original population evolved in such a way that it became impossible for individuals from the two new populations to interbreed.1) Darwin's studies of Galapagos finches are well known in the study of evolution. These studies have been instrumental in helping us understand how new species evolved from pre-existing species. Which statement is true about the speciation of the Galapagos finches? A) The finches evolved traits to help them survive in different environments. B) The finches had different traits that influenced the environment in which they chose to live. C) Genetic variation occurred amongst the finches, giving some a genetic advantage in a changing environment, allowing them to better survive. D) Members of the original population evolved in such a way that it became impossible for individuals from the two new populations to interbreed. Not graded
- Which of the following statements about the grandmother hypothesis is correct? This is a hypothesis used to explain why grandmothers tend to live longer than grandfathers. For this hypothesis to work, a grandmother will need to have an antagonistic pleiotropic mutation that extends her lifespan but also lessens her physical activities. Because grandmothers are older, so they tend to contribute less in a family. That is, grandmothers are usually a drain of resources for a family. The evolution of monthly menstrual cycle in human females is seen as an example explained by the grandmother hypothesis. None of the aboveChoose all of the correct statements about complex adaptations: Complex adaptations might evolve through a combination of of gene recruitment and promiscuous proteins. The parts of a complex adaptation may have evolved for a different function originally. Complex adaptations require all parts of the adaptation to evolve simultaneously. Complex adaptation do not evolve by natural selection. Complex adaptations are composed of multiple, different traits, such as behavior and physiology. Complex adaptations are 'irreducibly complex'. Complex adaptations are the result of parallel evolution. omplex adaptations always take thousands of years to evolve.Give a Darwinian explanation of how cheetahs evolved to become faster. Your explanation is how natural selection works using Cheetahs as an example. Be sure to include and explain the ideas of differential reproductive success and descent with modification. (You do not need to mention the formation of new species.)