Chapter 1 Humans in the World of Biology Dynamic Study Module

The strength of the scientific method resides in its ability __________.

To provide a systematic framework to try to find explanations that describe natural phenomena

Pick the correct order from largest to smallest.

ecosystem, community, population, organ system

Molds and mushrooms are part of which kingdom?

fungi

Which of the following would not characterize life?

inability to change

Which is the best example of an epidemiological study?

measuring rates of autism in a group of 10,000 children that were vaccinated against the measles virus

The sum of all of the chemical reactions within a cell istermed __________.

metabolism

Please pick the next larger level of organization that comes directly after cells.

tissue

Which is not part of the Eukarya domain?

archaea

The protist kingdom contains __________.

diatoms

Which one of the following would most likely be a valid scientific claim?

A drug goes through clinical trials and shows that an average of 10% weight loss can be obtained after one month.

Which of the following websites would be the least reliable to use when doing research for a scientific topic?

A for-profit website, such as those having a web address ending in .net or .com

Which statement is the best example of deductive reasoning?

If eating iron supplements reverses anemia, then eating bread fortified with iron will decrease anemia.

What is the purpose of a placebo?

It serves as a control in a clinical trial.

Which statement describes the use of inductive reasoning?

Many generalizations are used to make a logical statement.

Please pick the correct association of the testing of a new drug use to treat cystic fibrosis.

Phase III: testing on thousands of people to compare the new drug's efficacy to that of current treatments

Humans are most specifically classified as __________.

Primates

Which is the best example of a hypothesis?

Your car does not start up. You figure it is a problem with the battery.

Which is the best example of a population?

a group of gulls

Which best describes a control group?

a group of humans that received a non-radioactive pellet in a tumor as compared to humans that received a new type of radioactive pellet

Humans have a large surface area in their lungs for gas exchange, a thick layer of skin to protect from infection, and kidneys to get rid of metabolic wastes. Each one is an example of __________.

an adaptive trait

A theory is best described as __________.

an explanation that comes about from repeated and reproducible experiments

Please place the scientific method in the correct order.

observation, hypothesis, prediction, experiment, results, conclusion

Two or more tissues working together form a(n) __________.

organ

Life has many characteristics. Choose the one that is least important to the survival of an individual.

reproduction

Which is the best example of a dependent variable?

the amount of weight loss after taking a new diet pill for three weeks