A mutation in these cells of the cheetah can be

passed to its offspring

Paramecium and Cheetahs

have to maintain a stable internal environment

Reproduction

Ensures the ongoing success of both species

Paramecium

a unicellular organism

The cell

the basic unit of life for both the cheetahs

and the paramecium

Which statement best identifies the biological theme

of interdependence?

All living things are made of one or more cells

or

The organisms in a community live and interact

with other organisms

The organisms in a community live and interact

with other organisms

Scientists usually design experiments...

to learn how to use new laboratory tools

or

based on how well the experiment is able to test

their hypothesis

based on how well the experiment is able to test

their hypothesis

A unifying explanation for a broad

range of observations is a...

hypothesis

or

theory

theory

Generally, the stages of a scientific

investigation proceed in what order?

observations, predictions, hypothesis, verifying predictions, verifying theory

or

observations, hypothesis, making predictions, testing predictions with experiments, drawing conclusions

observations, hypothesis, making predictions, testing predictions with experiments, drawing conclusions

A control group...

requires a lead scientist who controls a group of scientists conducting an experiment

or

is the group in an experiment that receives no

experimental treatment

is the group in an experiment that receives no

experimental treatment

Biologist John Harte wanted to determine why there was a decline in the number of salamanders. Based on his observations, Harte suggested that acid rain might be responsible.  This suggestion was a

prediction

or

hypothesis

hypothesis

Harte thought that he would find acid

in the ponds after the snow melted.  The idea was a

theory

or

prediction

prediction

In order to produce more food, scientists are looking for ways to develop crops that...

will grow without extensive use of fertilizers and pesticides

or

are more resistant to insects

or

All of the above

All of the above

The maintenance of a stable internal environment in

spite of changes in the environment is called

equilibrium

or

homeostasis

homeostasis

AIDS research has led to the development of...

Drugs that prolong the onset of the disease

or

Many new and more deadly strains of HIV

Drugs that prolong the onset of the disease

Gene therapy has provided hope for people

who suffer from hereditary disorders such as:

AIDS

or

cystic fibrosis

Cystic Fibrosis

During gene therapy, a defective gene

is replaced with

a viral gene

or

a normal gene

A normal gene

The primary of the Human Genome Project was...

to develop ways of transporting genes for gene therapy

or

to sequence the entire DNA contents of a human cell's chromosomes

to sequence the entire DNA contents of a human cell's chromosomes

Heredity is...

the accumulation of mutations in the DNA

or

the passing of traits from parent to offspring

the passing of traits from parent to offspring

The change in the inherited traits of species over generations is called

natural selection

or

evolution

evolution