Exam 1: Humans in the World of Biology

Fill-in-the-Blank Questions -All individuals of a species that can interbreed in an area are called a(n)________.

Fill-in-the-Blank Questions -A(n)________ is a substance that appears to be identical to a drug being tested but has no known effect on the condition being studied.

Match each definition in the first column to the correct term in the second column. -Specific areas in which certain living organisms interact with their environment.

Match each definition in the first column to the correct term in the second column. -The ability to maintain a relatively constant internal environment.

Lately,there have been many claims concerning the health benefits of green tea.Suppose you read a claim that says drinking green tea causes weight loss.The information provided states that participants were weighed at the beginning of the study,participants were then asked to drink 2 cups of green tea every day for 6 weeks,and finally participants were weighed at the end of the study.Participants who drank the tea for 6 weeks seemed to have lost some weight by the end of the study,so the researchers concluded that green tea is helpful for weight loss.This study has some obvious holes in it.Explain three things that could be done to improve the design of this study.Do not assume any information other that what has been provided.

In a double-blind experiment ________.

Which process used to solve problems in science involves the accumulation of facts through observation until the evidence leads to a general statement about nature?

Fill-in-the-Blank Questions -A(n)________ group is treated like an experimental group except for the one variable being tested.