How are cells similar and how are they different use the web to explain 4 similarities and 3 differences

In the diagram below, the northern hemisphere would be in what season at position a a. fall b. winter c. summer d. spring

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these