Exam (elaborations)
Biology 121 Exam 1 Study Guide Questions and Correct Answers.
- Course
- Institution
Biology 121 Exam 1 Study Guide Questions and Correct Answers.
[Show more]
Seller
Follow
WiseWoman
Content preview
Biology 121 Exam 1 Study GuideQuestions and Correct Answers
Define Biology - correct answers:The study of life.
Life is characterized by what properties? - correct answers:Emergent properties aka reflect hierarchy of
structural organization
What is the lowest level of biological organization - correct answers:Atoms
Know order of structural levels from atom to ecosystem - correct answers:Atoms-Molecules-Organelles-
Cells-Tissue-Organs-Organ Systems-Organisms-Populations-Community-Ecosystem
Know the basic definition of each (e.g. what is an ecosystem?) - correct answers:An Ecosystem is where
living interacts with the non-living in an environment
What is the function shared by all living organisms? - correct answers:1. Uptake and processing of
nutrients. 2. Excretion of wastes. 3. Response to environmental stimuli. 4. Reproduction among others
Know the contribution of Hooke and Leewenhoek - correct answers:Hooke was the first to observe and
name cells. Leewenhoek discovered singled celled organisms
Be able to identify 3 major points of cell theory - correct answers:All living things consists of cells, all cells
come from new cells, new cells produced by division of other cells
Know basic differences between Prokaryotic and Eukaryotic cells. - correct answers:Prokaryotic have no
internal membranes, organelles, or nucleus, but eukaryotic does.
Be familiar with DNA molecule and genome - correct answers:DNA molecule is a double helix and are
biological instructions; a genome are the entire library of genetic information
, What are the sources of energy for an ecosystem? - correct answers:Life
Be able to recognize a positive feedback and a negative feedback system - correct answers:Negative
Feedback- slows/stops processes (body temp)
Positive Feedback- speeds up processes (wound healing)
Know definitions of evolution and taxonomy. - correct answers:Evolution is the key to biological diversity.
Taxonomy names and classifies species into hierarchical order
3 Domains -- 4 Kingdoms (3 Multi cellular) - correct answers:3 Domains- bacteria, arachae, & eukarya.
4 Kingdoms- animalia, plantae fungi (Multicellular) & Protista
What was the major contribution of Darwin? - correct answers:His origin of species
What did it help explain? - correct answers:Natural selection and evolution
Know basic information about scientific method -- stages/steps - correct answers:Form a hypothesis, Test
the hypothesis, Analyze data, Form conclusion, Communicate whether the hypothesis is falsifiable or not
What is the difference between science and technology? - correct answers:Science is knowing,
technology is doing
Know examples of science and technology - correct answers:Knowing DNA structure allowed for gene
therapy; creating DNA technology revolutionized the pharmaceutical industry
What is the Origin of Species? - correct answers:Scientific literature written in the 1800s
Who wrote it? - correct answers:Darwin
What are the two most important points of this publications? - correct answers:Natural Selection and
Evolution
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller WiseWoman. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.66. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now