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Which of the following are considered fossils?  

Where does cellular respiration occur?  

  Is a virus considered alive?    

Which cellular structure is unique to plant cells?  

Which processes can be carried out by consumers?   B) gameteC) embryoD) gonad41) When one cell goes through cell division, it produces ________.A) two identical cellsB) two different cellsC) four identical cellsD) four different cells

Which cellular structure is unique to prokaryotic organisms?  

A graduate student at the University of Iowa publishes his or her latest research in a peer-reviewed journal. Would this be an example of a primary source or a secondary source? Briefly explain your answer.    

Which of the following is the correct organizational hierarchy, from largest to smallest, in the hierarchical order of life? (Some levels have been omitted, so you are looking for the correct order.

Which of the following is not a form of passive transport?  

Use the following study to answer the following question(s): A researcher applies varying amounts of fertilizer (0, 2, 4, 8, 10 units) to 50 potted tomato plants. All other variables that may affect the outcome (watering, temperature, sunlight, plant size, etc.) are kept the same from pot to pot. At the end of the growing season, the tomatoes grown on each plant are weighed to determine which fertilizer level produced the largest tomato yield. Which variable is the independent variable?