Exam (elaborations)
BSC 1020 Exam 1 with complete solutions
- Course
- Institution
BSC 1020 Exam 1 with complete solutions
[Show more]
Content preview
BSC 1020 Exam 1List the seven characteristics of life as it is known on Earth. - correct answer ✔✔Cells, metabolism,
growth, reproduction, irritability, adaptation, movement
Rank the levels of life from atoms and molecules to the biosphere - correct answer ✔✔atoms,
molecules, organelles, cells, tissues, organ and organ system, organisms, population, community,
ecosystems, and biosphere
What is the difference between EUKARYOTES and PROKARYOTES? Classify each of the following
organisms as eukaryotic or prokaryotic: bacteria, Archea, protists, fungi, plants, and animals - correct
answer ✔✔eukaryotes are larger, more complex, nucleus is enclosed in a membrane, and contains many
types of organelles
prokaryotes are smaller, simpler structure, DNA is concentrated in nucleoid region without a membrane,
and lacks most organelles
What are the three domains of life? Which organisms belong to each domain? - correct answer
✔✔Bacteria, archaea, and Eukarya
Bacteria - prokaryotes
Archaea - prokaryotes
Eukarya - plants animals fungi
What are Darwin's two main observations and his inescapable conclusion? - correct answer
✔✔Observation - overpopulation and competition, and individual variation
Conclusion - unequal reproductive success
Compare and contrast natural and artificial selection - correct answer ✔✔Natural causes adaptation and
mechanism for evolution. It is used in survival
Artificial is by humans and we select instead of environment
, Compare and contrast discovery science and hypothesis-driven science - correct answer ✔✔Discovery
Science - describes observations and used inductive reasoning and seeks natural causes for natural
phenomenas
Hypothesis-driven science - explains a set of observations. uses scientific method, deductive reasoning
What are the steps of the scientific method? - correct answer ✔✔Observation, question, hypothesis,
prediction, experiment, conclusion
What is the difference between a scientific hypothesis, theory, and law? - correct answer ✔✔Hypothesis
- a proposed explanation for a set of observation
Theory - much broader in scope than a hypothesis, a comprehensive explanation for a large number of
observations and has varied and extensive evidence
Law - must always apply under the same condition, also implies a casual relationship
What is matter? What are its three physical states? - correct answer ✔✔Matter - Anything that has mass
and takes up space
Solid, liquid, gas
What is an element? How many elements occur naturally? How many are essential for life? Which 4
elements are most abundant in living things (including humans)? What are trace elements? - correct
answer ✔✔Element - substance that cannot be broken down any further
92 occur naturally
25 essential for life
Carbon, hydrogen, nitrogen, and oxygen
Trace elements - Elements that are important but not very abundant in the body: iodine, iron, fluorine
What are compounds? - correct answer ✔✔Compounds are substances that contain two or more
elements in a fixed ratio
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 Sakayobako30. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81177 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now