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1. The common ancestor of all the tetrapod vertebrates had four limbs with a similar skeletal structure to thatseen in many vertebrates today. Considering this, in what sense are the arms of humans homologous to thewings of a bird? 2. The green algal ancestors of plants existed in aquatic habitats, […]

A group of 11 mice was given water, and another group of 10 mice was supplied with diluted black coffee (coffee:water 1:1) as drinking fluids for five weeks. The composition of the diets and living conditions were similar for both groups of mice. Blood glucose was monitored weekly for all […]

1. Explain your evidence for coming to this conclusion. Is this sufficient evidence to convict the the suspect of the crime? Why or why not? 2. It what way did this lab simulation differ from what is actually performed in a forensic analysis? 3. Why is restriction fragment length polymorphism […]

Biology Quiz 1. Which statements about modern cell theory are true? a. Cells arise from other cells. b. All living organisms consist of one or more cells. c. Cells contain hereditary information that passes from one generation of cells to the next. d. All of the above are true. 2. […]