it keeps saying ''Don't use such phrases here, not cool! It hurts our feelings'' :( but anyways.

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Give an example of a trait that is controlled by more than one gene.