Exam 1: The Science of Biology

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

Evolution is the genetic change in a species over time.

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

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

Who is credited for discovering cells?

The proper order for the scientific process is:

In a multicellular organism,different tissues that function together are grouped into:

Who are responsible for discovering the structure of DNA?

The different populations of all the species in a given area make up a(n):

All the populations of a particular kind of organism are members of the same:

A scientist wants to study the effect of vitamin C on colds.He recruits 100 people with colds and gives the experimental group 1000 mg of vitamin C per day.What would be an appropriate control?

The sources of the ozone-destroying contaminants in the upper atmosphere were found to be _______________________.

Explain the relationship between ozone depletion and rising incidence of skin cancer.

In any experiment,one must be certain to:

All living things use energy,a property known as ______________.

Which kingdom contains photosynthetic multicellular organisms that live on the land?

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

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

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

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