Biology Fundamentals Worksheet (Grade 12)

What includes the chemical processes essential for growth, repair, and reproduction?

• Growth

• homeostasis

• development

• metabolism

While you are riding the ski lift up to the top of the mountain on a very cold day you start to shiver involuntarily. You know that the shivering is your body's attempt to help regulate your body temperature and is an example of what type of mechanism?

• sensitivity

• evolutionary adaptation

• homeostasis

• energy utilization

Experiments are carried out to test a hypothesis by changing one variable at a time and should include an unchanged variable termed a(n) ________.

• stable variable

• altered variable

• experimental variable

• control

The term that Darwin used to describe the concept that those with superior physical, behavior or other attributes are more likely to survive than those that are not so well endowed, and thus are more likely to pass their traits to the next generation, is called:

• superior beings

• geometric progression

• survival of modifications

• natural selection

What is the name of the discipline that is the study of life?

• biology

• ecology

• geology

• chemistry

Cell theory is one of the foundations of biology. What are the tenets of the cell theory? Select all that apply.

• All living organisms consist of cells

• Cells carry genetic material passed to daughter cells during cellular division.

• Cells arise from other cells through the process of cell division.

A suggested explanation that might be true and is subject to testing by further observations is a(n):

• theory

• experiment

• generality

• hypothesis

Dr. Rand was trying to determine the cause of a mysterious epidemic affecting fish in the Gulf of Mexico. His proposal that the deaths were caused by an organism called a protist is considered a(n) ________.

• hypothesis

• conclusion.

• experiment.

• data set.

After Darwin concluded his voyage on the Beagle, he proposed that the process of natural selection was a mechanism for:

• sexual selection.

• evolution.

• speciation.

• artificial selection.

How many cells make up a unicellular organism?

• one cell

• two cells

• dozens of cells

• millions of cells