Scientists hypothesized that several species of frogs called tiger frogs evolved from a recent common ancestor. The
hypothesis was based on fossil evidence and on physical similarities among living species. Which of the following
provides the best additional support for the scientists' hypothesis?
Tiger frogs live near each other and are all preyed upon by the same predator species.
Tiger frogs have similarities in their mitochondrial DNA that are not shared by other frog species.
Tiger frogs have the same diet and all use enzymes to digest food.
Tiger frogs have longer life spans than other frog species.
Answers: 1
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Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f
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Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.
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There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell
Answers: 1
Scientists hypothesized that several species of frogs called tiger frogs evolved from a recent commo...
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