Exam 1: The Science of Biology

All organisms on earth encode their genes in strands of ________.

As life forms become more advanced,new properties occur.These properties are referred to as ______________.

A biologist wants to test the effectiveness of a new food additive on causing growth in mice.An effective control group would be one that:

Which of the following is NOT an underlying theme of biology?

Cells with a similar structure and function are organized into ____________ in the body.

Which kingdom contains nonphotosynthetic multicellular organisms that digest their food internally?

Many people think the term "theory" means someone's idea about something.Explain the scientific use of the term "theory," especially as it relates to the biological concept of evolution.

We have all heard that dietary fats are linked to higher incidences of heart disease and cancer in humans.Choose the proper hypothesis that a scientist could test.

The test of a hypothesis is called a(n):

At the end of an experiment,a conclusion is formed based on:

The __________ of flowering plants and insects is responsible for much of the diversity of these groups.

Evolution is the genetic change in a species over time.

Using general principles to explain specific observations is called _______________ reasoning.

The process where organisms act to maintain a relatively stable internal environment is __________.

Scientists employ __________________ reasoning when performing the scientific process.

A collection of related hypotheses that have been shown to be true after extensive testing can be collectively called a _________.

Which of the following is incorrect about experimental variables?

The ozone depletion problem is expected to ______________ over the next few decades.

Charles Darwin used _______________ to illustrate the mechanisms of natural selection.

The proper order for the hierarchy of increasing complexity is: