Why is it necessary to have a balanced environment ?

Survival of all organisms is actualized due to ecological balance. Various species survive because favorable ecosystems were created. Favorable ecosystem ensures that each organism thrive and multiply as expected. They get enough food to keep them alive. Ecological balance is also important because it leads to the continuous existence of the organisms

not sure but try c two haploid cells

explanation:

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain