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This organism is not capable of performing photosynthesis. (horseshoe crab) true false
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Why do the circulatory systems of land vertebrates have separate circuits to the lungs and to the rest of the body?
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Name the tissue types that form the wall of each organ in questions 7-10
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When the grand canyon formed many small mammal population were divided. some members of the population were on one side and others are on the other, therefore, they were no able to mate with one another. over time this separation and inability to mate with one another led to the emergence of new species. this type of speciation is called a) sympatric speciation. b) allopatric speciation. c) parapetric speciation. d) peripatric speciation.
Answers: 2
What is energy? Where does energy come from? Where does electrical power come from? How is it genera...
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