BIO 156 EXAM 1 PRACTICE 84 EXAM SCRIPT 2026 FULL SOLUTION SET

BIO 156 EXAM 1 PRACTICE 84 EXAM SCRIPT
2026 FULL SOLUTION SET

◉ The smallest unit of life is the ___.
a. atom
b. molecule
c. cell
d. organism. Answer: c. cell


◉ Organisms require ___ and ___ to maintain themselves, grow, and
reproduce.
a. DNA; energy
b. food; sunlight
c. nutrients; energy
d. DNA; cells. Answer: c. nutrients; energy


◉ By sensing and responding to change, organisms keep conditions
in the internal environment within ranges that cells can tolerate.
This process is called ___.
a. reproduction
b. development
c. homeostasis

,d. inheritance. Answer: c. homeostasis


◉ DNA ___.
a. guides form and function
b. is the basis of traits
c. is transmitted from parents to offspring
d. all of the above. Answer: d. all of the above


◉ ___ is the transmission of DNA to offspring.
a. Reproduction
b. Development
c. Homeostasis
d. Inheritance. Answer: a. Reproduction


◉ A butterfly is a(n) ___ (choose all that apply).
a. organism
b. domain
c. species
d. eukaryote
e. consumer
f. producer
g. prokaryote

, h. trait. Answer: a. organism
d. eukaryote
e. consumer


◉ ___ move around for at least part of their life.
a. Living organisms
b. Animals
c. Species
d. Eukaryotes. Answer: b. Animals


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


◉ Bacteria, Archaea, and Eukarya are three ___.. Answer: domains


◉ A control group is ___.
a. a set of individuals that have a certain characteristic or receive a
certain treatment