Chapter 1

1\. __________\(\quad\) are fundamental building blocks of all matter. a. Atoms c. Cells b. Molecules d. Organisms

The smallest unit of life is the ______. a. atom c. cell b. molecule d. organism

By sensing and responding to change, organisms keep conditions in the internal environment within ranges that cells can tolerate. This process is called __________.

DNA ________. a. guides form c. is transmitted from and function \(\quad\) parents to offspring b. is the basis of traits d. all of the above

A process by which an organism produces offspring is called __________.

___________ is the transmission of DNA to offspring. a. Reproduction c. Homeostasis b. Development d. Inheritance

A butterfly is a(n) _________ (choose all that apply). a. organism e. consumer b. domain f. producer c. species g. prokaryote d. eukaryote \(\mathrm{h}\). trait

A bacterium is __________ (choose all that apply) a. an organism c. an animal b. single-celled d. a eukaryote

Bacteria, Archaea, and Eukarya are three ___________.

A control group is __________ a. a set of individuals that have a certain characteristic or receive a certain treatment b. the standard against which an experimental group is compared c. the experiment that gives conclusive results

Fifteen randomly selected students are found to be taller than 6 feet. The researchers concluded that the average height of a student is greater than 6 feet. This is an example of ______________. a. experimental error c. a subjective opinion b. sampling error d. experimental bias

Science only addresses that which is ___________. a. alive c. variable b. observable d. indisputable

Match the terms with the most suitable description. _____life _____probability _____species _____hypothesis _____prediction _____producer a. if-then statement b. unique type of organism c. emerges with cells d. testable explanation e. measure of chance \(f\), makes its own food