What do we call orgnisms that break dead organisms

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

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis