Science Experiment Validity Flashcard

Front

When new evidence from experiments is presented, how do other scientists make sure that it is correct?

Back

Other scientists try to replicate the experiment and try to get the same results.

Front

Which statement explains the difference between a theory and a law? Theories can become laws but laws cannot become theories, Laws change as new technologies are developed, A theory is an explanation of something in the natural world and a law is a description, A theory is a description of something in the natural world and a law is an explanation

Back

A theory is an explanation of something in the natural world and a law is a description.

Front

A theory and a law can share the same definitions.

Back

True

Front

What level of body organization does copying of DNA take place?

Back

Cell

Front

The heart is the main organ of what system: ______________________

Back

Circulatory system

Front

If Planaria is cut in half, after 2 weeks each section will grow into a complete planarian. Which of the following represents the order the sections will grow back in? Organism > cells > tissue > organs, Tissues > cells > organisms > organs, Organs > tissue > cells > organisms, Cells > tissues > organs > organism

Back

Cells > tissues > organs > organism

Front

Write the level of organization from simple to most complex (starting with cell):

Back

Cell, tissue, organ, organ system, organism

Front

When you exercise, your heart rate and respiration rate increases. Which level of organization does this occur?

Back

At the system level

Front

Where do all cells come from?

Back

From pre-existing cells

Front

Why is a computer NOT considered an organism based on cell theory?

Back

It is not composed of cells.