BIOL 1500 Exam 1 Questions And Answers
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Define Biology - Answer✔Study of life
Define Science - Answer✔Derived from "scientists", means knowledge
Define Discovery Science - Answer✔Aka qualitative science, aims to observe, explore, and
discover
Define Hypothesis-based science - Answer✔Aka quantitative science, begins with specific
question or problem, and an answer/solution to test
Define scientific method - Answer✔A method of research with defined steps that include
experiments and careful observations. Hypothesis has to be able to be tested. Hypothesis may
become a theory
What are the steps of the scientific method? - Answer✔Observation, Question, hypothesis that
answers a question, Prediction based on the hypothesis, Do an experiment to test the
prediction, Analyze the results
Define Deductive reasoning - Answer✔Goes from general to specific information
A form of logical thinking that uses a general principle or law to forecast specific results.
All dogs have ears, so golden retrievers must have ears is an example of what science reasoning
- Answer✔Deductive reasoning
Can a new hypothesis be proposed? Why? - Answer✔Yes, if the first hypothesis was not
supported by the experimental data, you can create a new hypothesis to be tested. Hypothesis
must be approved or disapproved
You notice that every time you eat spicy food, you get a stomachache, so you conclude that
spicy food causes stomach aches - Answer✔Inductive
Define Inductive reasoning - Answer✔A form of logical thinking that uses related observations
to arrive at a general conduction
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Specific information—> general information
Neurologist taking many pics of human brain and looking at stimulations responding to food to
find a common place that is stimulated in multiple brains is an example of what science
reasoning - Answer✔Inductive reasoning
Define basic science - Answer✔"Pure" science seeks to expand knowledge regardless of the
short term application of knowledge
Define applied science - Answer✔"Technology" science aims to use science to solve real world
problems
What are the properties of life? - Answer✔order, regulation, growth and development, energy
processing, response to the environment stimuli, reproduction, evolution
What are the levels of organization that make up living things? - Answer✔Atoms->Molecules->
macromolecules->organelles->cells-<tissues->organs-> organ systems->
organisms/populations/communities->ecosystems-> Biosphere
Population means - Answer✔All same organisms in same area
Communities mean - Answer✔All of living things in a region/ different species in same area
Ecosystems involve - Answer✔Living and non living things
The biosphere is made up of - Answer✔All ecosystems
What is the format for an experiment paper? - Answer✔Abstract, introduction, methods,
results, discussion, and literature citations
What are the 3 domains of life? - Answer✔Bacteria, Archaea, Eukarya
Define bacteria and give example - Answer✔Bacteria is a prokaryotes,single cell lacking
intracellular organelles, example is Cyanobacteria
Define Archaea and give example - Answer✔Archaea is a prokaryote, single cell that lacks
intracellular organelles, lives in extreme conditions. They are called extremophils Example is
Pyrodicticum
Define Eukarya and give an example - Answer✔Eukarya is a multi cellular organisms with
membrane bound organelles. Example is Plants,fungi,animals
Give the order of the domains of life based on what came first,second, and third -
Answer✔Bacteria came first in evolution, archaea was next, and Eukarya was last in evolution
descent
The first forms of life on Earth were - Answer✔microorganisms
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