Chapter 1
Biology Today and Tomorrow with Physiology · 15 exercises
Problem 1
A species is a(n)__________ type of organism. a. unique b. new c. multicelled d. undiscovered
4 step solution
Problem 2
The smallest unit of matter is the __________ a. atom b. molecule c. cell d. millimeter
3 step solution
Problem 3
The smallest unit of life is the _________. a. atom b. molecule c. cell d. organism
4 step solution
Problem 4
All organisms must acquire ________ and _________ from the environment to maintain themselves, grow, and reproduce. a. heat; light b. DNA; homeostasis c. nutrients; energy d. producers; consumers
3 step solution
Problem 5
________is the transmission of DNA to offspring. a. Reproduction b. Development c. Homeostasis d. Inheritance
3 step solution
Problem 6
________is a process by which an organism produces offspring. a. Reproduction b. Development c. Homeostasis d. Inheritance
3 step solution
Problem 7
By sensing and responding to change, organisms keep conditions in their internal environment within ranges that cells can tolerate. This process is called _______. a. reproduction b. development c. homeostasis d. inheritance
4 step solution
Problem 8
__________move around for at least part of their life. a. Living organisms b. Animals c. Species d. Eukaryotes
3 step solution
Problem 9
A butterfly is a(n) __________ (choose all that apply). a. organism b. domain c. species d. eukaryote e. consumer f. producer g. prokaryote
3 step solution
Problem 10
A bacterium is _______ (choose all that apply). a. an organism b. single-celled c. an animal d. a eukaryote
5 step solution
Problem 11
Bacteria, Archaea, and Eukarya are three _______. a. domains b. species c. genera d. families
4 step solution
Problem 12
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
5 step solution
Problem 13
Five randomly selected university students are found to be taller than 6 feet. The researchers concluded that the average height of a university student is greater than 6 feet. This result is likely to be skewed because of ___________ a. experimental error b. sampling error c. a subjective opinion
5 step solution
Problem 14
Science addresses only that which is _______ a. alive b. observable c. variable d. indisputable
4 step solution
Problem 15
Match the terms with the most suitable description. ___life ___probability ___species ___scientific ___theory ___hypothesis ___prediction ___producer a. statement of what you expect to see if the hypothesis is correct b. unique type of organism c. property that emerges at the level of the cell d. time-tested hypothesis e. testable explanation f. measure of chance g. makes its own food
8 step solution