Biology!!! I have a test tomorrow and this question was on the study guide. Please help I'm stuck!

Compare and contrast the water, oxygen, carbon, phosphorus, and nitrogen cycles.

'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.

Select all that apply genes are specific nucleotide sequences occur in numbers that are the same as the number of chromosomes are located in a specific place on a chromosome determine the traits of an organism are units of rna

What class of levers is shown in this image?