Atype of lichen grows on rocks at the base of a waterfall. which factor in the lichen's environment is abiotic?

Why do german shepherds shed so much

Which of the following is not a defining characteristic of plants?

'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.