Today my paper of zoo405 Mcqs 1.percentage of phospherous in teeth is 80% 2.Marine ecosystem cover more then 70%. 3.Ecologist name is the charles Elton 4.BOD is depletion region of oxygen in ocean. 5.Desert cover the area on third. 6.ozone absorb around 97% 99% of the harmfull ultraviolet radiations. 7.Wetlands act as a kidney nature. 8.Control at reciver ends is related to noise pollution. 9.cynobacteria are photoautotroph 10.Density dependent are biological factors Questions Source of noise pollution Difference btween the random and uniforn dispersion Difference btwn the predator and the prey Difference primary and secondary pollutant Define desertification causes and the solution Define Ecosystem population and the community Which three main strategies needs ecologists Difference the evaporation and the precipitation Define decomposers and give the five example