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Question
dr. roberts, a microbiologist, has discovered a tiny, translucent organism in a water sample collected from a remote freshwater lake. the organism is too small to be seen the naked eye, but it exhibits unusual movement under the microscope, shifting and pulsating. dr. roberts is curious whether this organism is living or a nonliving entity that somehow behaves like one. at first glance, the organism does not appear to have any distinct structures like those typically found in more complex organisms. it is a single, jelly - like mass that moves in seemingly random way. dr. roberts begins by examining the organism closely to see if it is made up of individual cells. using high - powered microscopy, she identifies that it is indeed made of one or more cells, though the individual cells are not easily distinguishable due to their clear, gel - like nature. next, dr. roberts examines whether the organism is capable of metabolism. she provides it with a nutrient - rich environment and observes if it consumes any of the available nutrients or produces waste. over the course of a few days, she notices that the organism gradually consumes the nutrients in the water and releases waste products. dr. roberts alters the water’s temperature and ph. the organism responds by adjusting its movement, slightly altering its position in the water to maintain its surroundings within a narrow range of conditions. dr. roberts then observes the organism’s growth over several days. initially small, the organism begins to expand in size, growing visibly over time. it also begins to show a pattern of development, with some areas of the organism becoming denser and more structured as it matures. dr. roberts carefully divides the organism into two smaller pieces to see if it can regenerate or create new individuals. after a few days, she observes that the two new pieces begin to grow independently, eventually becoming full - sized organisms on their own. she then places the organism in various light conditions, and it moves toward the light. appears to have the characteristic of life does not display the characteristic of life no answers chosen no answers chosen is this a living thing? no answers chosen possible answers homeostasis growth and development response to stimuli no, this is not a living thing reproduction
The organism is made of cells, shows metabolism (consumes nutrients and produces waste), maintains homeostasis (adjusts to temperature and pH changes), has growth and development (increases in size and shows structural changes), can reproduce (pieces regenerate into full - sized organisms), and responds to stimuli (moves towards light). These are all characteristics of living things.
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Appears to have the characteristic of life: Homeostasis, Growth and development, Response to stimuli, Reproduction
Is this a living thing? Yes, this is a living thing