Help me PLZ I need it ASAP Choose an ecosystem. Name and draw all five different relationships in that ecosystem. The picture should include a predator and a prey, parasite and host, two animals that benefit from each other, commensalism, and two animals competing with each other for the same resource.

i am positive it is c. condensing but i may be wrong

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question