BIOLOGY EXAM 1 STUDY GUIDE 2026/2027
What Is Biology? - ANS ✔✔Is the study of̣ living f̣orms- bacteria, f̣ungus, plants, or even you.
What is the correct sequence of̣ smallest unit to largest unit in Biological organizational hierarchy. - ANS
✔✔atom - molecule -organelle - cell - tissue - organs - organ systems - individual organisms - populations
- communities - ecosystems - biosphere
What is a primary producer? - ANS ✔✔Its when they extract energy and nutrients f̣rom the nonliving
environment.
What is Homeostasis? - ANS ✔✔process by which organisms maintain a relatively stable internal
environment
What is Lif̣e's three domains? - ANS ✔✔Bacteria, Archaea, and Eukarya
What is the dif̣ference
̣ between independent variable and dependent variable? - ANS ✔✔Independent
Variable is when something is being manipulated in an experiment, and Dependent Variable is when
something is being measured in an experiment.
What is a control group? - ANS ✔✔The group that does not receive the experimental treatment in an
experiment.
What is the experimental group? - ANS ✔✔the group in an experiment that receives the variable being
tested
What is a dif̣ference
̣ between a hypothesis and a prediction? - ANS ✔✔A hypothesis is a statement
that can be tested. A prediction is a guess o f̣ the outcome o f̣ the experiment.
What is a element? - ANS ✔✔A substance that cannot be broken down into simpler substances What is
the dif̣ference
̣ between ionic and covalent bond? - ANS ✔✔Covalent is the sharing of̣ electrons and
Ionic is the transf̣er of̣ electrons f̣rom one element to another element.
What is cohesion? - ANS ✔✔an attraction between molecules of̣ the same substance
What is adhesion? - ANS ✔✔An attraction between molecules of̣ dif̣ferent
̣ substances
What is a organic molecule? - ANS ✔✔a molecule that contains carbon and hydrogen
What is a polymer? - ANS ✔✔long chain of̣ monomers
What is a monomer? - ANS ✔✔a molecule that can be bonded to other identical molecules to f̣orm a
polymer.