REVIEW FOR EXAM #1 SPEERS
BIOLOGY 1610 SLCC QUESTIONS AND
ANSWERS
Emergent properties - Answer-results from the arrangement and interaction of parts
within a system
Reductionism - Answer-Complex systems are reduced to simpler components
Evolution- two precepts - Answer-Descent with modification (gradual change)
Prokaryotic vs. Eukaryotic - Answer-Prokaryotic- simple cells with no nucleus
Eukaryotic- complex cells with nucleus and much bigger
The 3 biological domains - Answer-Bacteria, Archaea, Eukarya
The 4 groups of eukaryotes - Answer-animals, plants, fungi, protist
Darwin- what is it and what is it NOT - Answer-Natural selection- it is NOT survival of
the fittest
Deduction vs. Induction - Answer-deduction: general to specific
induction- specific to general
Scientific Method - Answer-A series of steps to plan and carry out investigations
Hypothesis vs. Theory - Answer-Hypothesis- a testable observation
Theory- supported by a large body of evidence
What is true about a good hypothesis? - Answer-It must be testable
What does falsifiable mean? - Answer-Can be ruled out by data
4 main elements of life - Answer-carbon, hydrogen, oxygen, nitrogen
Trace elements - Answer-an element indispensable for life but required in extremely
minute amounts.
Elements & Isotopes - Answer-Elements- any substance that cannot be broken down to
any other substance by chemical reactions
Isotopes- Different forms of the same element. Different number of neutrons.
Atoms - Answer-Smallest unit of matter
, Where is a proton located and what is the electrical charge? - Answer-Proton is located
in nucleus of an atom and is a single positive electrical charge
Where is the neutron located and what is the electrical charge? - Answer-Neutron is
found in the nucleus of an atom and has a neutral charge
Where is the electron located and what is the electrical charge? - Answer-Electrons
revolve around the nucleus and is negatively charged
Which particle defines or distinguished different elements? - Answer-Protons
What does the atomic number represent? - Answer-The number of protons in an atom
What does the mass number represent? - Answer-Total number of protons and
neutrons in an atom
What can we estimate using the mass number? - Answer-Estimate the atomic mass in
daltons (approx. 4)
What is Dalton? - Answer-Unit of measurement
Which particle distinguished different isotopes of the same element? What is true about
isotopes of the same element? - Answer-Neutrons and the number of neutrons
Which particle determines the chemical behavior of an atom? - Answer-Electrons
reactants and products - Answer-substances that exist before a reaction; substances
that exist after the reaction
potential energy vs. kinetic energy - Answer-potential: stored energy Kinetic: energy of
motion
Valence - Answer-unpaired electrons in its outermost shell
octet rule - Answer-atoms react by gaining or losing electrons or share electrons to have
8 electrons in their outer electron shell
duet rule - Answer-hydrogen forms stable molecules when it shares two electrons
Why are noble gases unreactive? - Answer-They have a full outer shell
covalent bond - Answer-A chemical bond formed when two atoms share electrons
ionic bond - Answer-A chemical bond resulting from the attraction between oppositely
charged ions
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 biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.