Biology I3 Quiz

A scientific theory is accepted as a scientific __________________, supported by evidence collected by many scientists

• truth

• hypothesis

• study

• opinion

To become a theory, what must a hypothesis go through? (check all that apply)

• It has to be tested over and over again

• It must be supported by a great deal of evidence.

• It has be written as an "if -then" statement

• It must be tested by an expert scientist with a doctorate.

A scientific theory is more like a fact than a guess because it is so ________________

• well known.

• well supported.

• obvious to all that see it.

• big of an idea.

Which of these are well known theories in biology? (check all that apply)

• The Theory of Species

• The Theory of Evolution

• Cell Theory

• Germ Theory

____________________ is a change in the characteristics of living things over time.

• Evolution

• Cell Theory

• Germ Theory

• none of these

What causes evolution to occur?

• Pathogenic Theory

• Cell Theory

• Natural Selection

• it is currently unknown

According to the cell theory which of these are true? (Check all that apply)

• the cell is the smallest unit of structure and function of all living organisms

• all living organisms are made up of millions of cells

• living cells always come from other living cells

• all cells have a nucleus that controls the reactions inside the cell

This scientific theory proposes that microorganisms are the cause of many diseases

• Cell Theory

• The Theory of Evolution

• Germ Theory

• none of these

Which of these statements is true about the theory of evolution, cell theory and germ theory?

• Lots of evidence has been identified that proves this theories are incorrect.

• All of these theories have been known for over a thousand years

• One hypothesis has been used for all three theories.

• No evidence has been identified that proves this theories are incorrect.

This theory explains how living things are changing today and how modern living things have descended from ancient life forms that no longer exist on Earth.

• cell theory

• germ theory

• gene theory

• none of these