Exam 1: An Introduction to the Science of Life

Which of the following statements cannot be tested by science?

The scientific method has limitations.It can only answer objective questions based on quantitative facts from observable,measurable,and repeatable experiments.It cannot answer subjective questions based on qualitative beliefs or opinions such as the presence of deities and ghosts or who makes the best doughnut.Could the scientific method theoretically be used to answer the question,"Does throwing a virgin into a volcano prevent it from erupting?" Support your answer.

What does it mean when we say,"This scientific study was published in a peer-reviewed journal"?

Certain parasites,such as intestinal tapeworms,cannot survive outside of the host.Why are they still considered alive?

The amount of fat does not affect the frequency of the size of cells found in cookies.

Many medical studies include a control group in which patients receive a medically ineffective treatment that resembles the treatment tested.What do we call the ineffective treatment?

A recent commercial advertised for a wristband that claimed to restore health and balance by taking advantage of natural frequencies of your biofield.It supports its claim by showing several people first struggling to balance without the wristband and then balancing fine with the wristband.Why should you be skeptical of the claims made in this ad?

Your statement,"If taken at the beginning of a cold,Echinacea will reduce cold symptoms," is called a(n)________.

If you give 100 sick people tablets similar to Echinacea but with no herb,what kind of control would this be?

If you were to evaluate these claims using the scientific method,what would be the first step?

Based on the table above,which type of cookie was the heaviest?

Name at least three organs that are part of your digestive system.Explain why the organs you chose are in fact organs and not something else.Describe their role in the digestive system.

Based on the table above,which cookies were the moistest?

Which variable is the independent variable?

The scientific method ________.

Many medical studies show that patients who receive a treatment feel better even if the treatment was an ineffective sugar pill.What is this phenomenon called?

What type of graph is this?

Which of the following represents a double-blind study?

Is a virus alive?

Gathering information just to add to the knowledge base,such as measuring the beak length of various bird species,is known as ________.