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You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Give a reason why animals must be classified. It occurs when groups in a species become reproductively isolated and diverge. One theory is that individuals of a species could look different today if they were exposed to different environmental conditions. Individuals of the same species generally \\ experience prezygotic barriers to reproduction. B. For example, these happy face spiders look different, but since they can interbreed, they are considered the same species: Theridion grallator. Using one of these four ideas, explain why you do not look like another person in this room. This allows the farmers to spray their fields to get rid of weeds without harming their crops. What makes an animal an animal? B. Why are animals shaped differently in cooler climates than in warmer ones? For the past 10 to 25 years, farmers have planted crop seeds that have been genetically modified to withstand treatment with a common weed killer called Roundup. An ideal solenoid (N1N _ { 1 }N1 turns, length L1L _ { 1 }L1, radius r1)r _ { 1 } )r1) is placed inside another ideal solenoid (N2N _ { 2 }N2 turns, length L2>L1L _ { 2 } > L _ { 1 }L2>L1, radius r2>r1r _ { 2 } > r _ { 1 }r2>r1) such that the axes of the two coincide. Q5. Could individuals of a species look different today than B) Low levels of genetic variation may make hybrid species more likely, so neither species will go extinct. a) Yes, all individuals can change a little and pass those changes on to their offspring. Why do humans try to save and treat every human life while other creatures are selected by natural selection? Any action you may take upon the information you find on this website is strictly at your own risk. Choice (d) is incorrect because it would be possible for this species to evolve over time. b. just other multicellular animals. Ecologists estimate the size and density of populations using quadrats and the mark-recapture method.