1 and 3 i think 3 is nerve system
Answer:
1.Observation and description of a phenomenon. The observations are made visually or with the aid of scientific equipment.
2.Formulation of a hypothesis to explain the phenomenon in the form of a causal mechanism or a mathematical relation.
3.Test the hypothesis by analyzing the results of observations or by predicting and observing the existence of new phenomena that follow from the hypothesis. If experiments do not confirm the hypothesis, the hypothesis must be rejected or modified (Go back to Step 2).
4.Establish a theory based on repeated verification of the results.
Explanation:
The answer is to do what you must my friend, goodluck!!
#1
Inner stem cell mass
#2
Harvested Unspecialized Embryonic Stem Cells
Try using your on opinion and see what you can come up with and good luck
Instructor is never required to drop you from your math course.
