Answer:
It is the sun in most ecosystems as the light energy is fixed during photosynthesis and then transferred to other organisms via the food chain.
Explanation:
90% of the energy is used up between levels, and the remaining 10% stays in the tissues to be passed on.
Answer: Cellular Respiration and Mass
Explanation: Animals get glucose by breaking down the food they eat, then during cellular respiration, glucose combines with oxygen to release energy and to form carbon dioxide and water.
Answer:
Explanation:
Water is split into oxygen (O2), protons (which are then used to form ATP), and electrons (which travel down the electron transport chain)
Answer:
the biosphere
Explanation:
The highest level of organization for living things is the biosphere; it encompasses all other levels. The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
