Which organisms are carrying out both photosynthesis and cellular respiration?

Does mitochondria still meet the definition of a eukaryote why or why not?

Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant.it produces food.it absorbs nutrients.it supports the plan

Under which of the following circumstances would natural selection not operate on an organism