Elephants are highly social and form tight family groups. A National Geographic team has made the first ascent of the remote Mount Michael, looking for a lava lake in the volcanos crater. 3 hort ResponseS Explain how the author presents the 5' Disc Harrow For Sale, 0 Should you find an error, please E-mail tylerw@bigbend.edu so it can be corrected. The cookie is used to store the user consent for the cookies in the category "Performance". Tusks suddenly became a liability, even though in natural circumstances, tusks are very useful organs for elephants, Arnold said. One of them I probably overwatered, but the other one I didn't water as much, yet they both still died. Tusklessness, according to a new paper in Science, can be attributed in large part to a dominant mutation on the X chromosome a genetic change that also explains the sex skew Poole saw. Ez Clean Surface Cleaner Recall, Answer Explanations SAT Practice Test #9 Section 1: Reading Test QUESTION 1 Choice D is the best answer. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. This cookie is set by GDPR Cookie Consent plugin. Expert Teachers at SamacheerKalvi.Guru has created Tamilnadu State Board Samacheer . . Throughout the passage, the narrator describes a visit to her familys ink shop. to answer the question Will the trend toward an increased incidence of tusklessness in a population with heavy poaching lead to increased African elephant population sizes in the future? KEY CONCEPTS Human activities influence the abundance and distribution of living organisms, as well as the selective pressures on these organisms. { % @ f Yeah the book Problems are specific to the questions provided in NCERT Biology Exemplar book Download. 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