Which organelles are not found in plant cells?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

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?

Which statement best describes a typical difference that could be found between the “analysis” and “conclusion” sections of a lab report?