Why does a scientist need to use a special microscope to view how Adams are arranged in clear substance

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

What would happen if the krill were removed from the food web

'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.