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Animals have evolved adaptations to improve exchange of energy and materials with the environment. For example, in many larger organisms, evolution has favored lungs

 

Animals have evolved adaptations to improve exchange of energy and materials with the environment. For example, in many larger organisms, evolution has favored lungs and a digestive tract with larger cells O a. False O b. True Question 37 Food moves along the digestive tract as the result of contractions by Not yet answered O a. cardiac muscle O b. smooth muscle Marked out of 1.00 O c.skeletal muscle P Flag question d. striated muscle Question 36 A particular organism has 46 chromosomes in its karyotype. It produces gametes with 23 chromosomes Not yet answered a. True Marked out of O b. False 1.00 P Flag question

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