BSC 108 Exam 1 Study Guide (Questions
and Answers) | Expert Graded A+ <Latest
Edition>
1. What is biology? - ANSWER The study of life
2. What are the 3 domains? - ANSWER Eukarya, Bacteria, Archie
3. What are the 4 kingdoms in eukaryote? - ANSWER Kingdom Animalia,
Kingdom Plantae, Kingdom Fungi, Kingdom Protista
4. What are the 7 properties of life? - ANSWER they have order, they regulate
themselves, they grow and develop, they use energy, they respond to the
environment, they reproduce, population evolve
5. What defines living? - ANSWER It has cells
6. What is an ion? - ANSWER An atom or molecule with a net electric charge
due to the loss of gain or looses its amount of electron
7. What is the difference between an ion and isotope? - ANSWER An atom is
an ion when it gains or losses electrons
8. An atom is an isotope when it has the same number of protons, but a
different number of neutrons
,9. What is the association between isotopes and fossils? - ANSWER to
calculate half life in fossils, you must determine the number of isotopes
10.What is energy? - ANSWER The capacity to do work and make a change in
matter
11.What is a neutral atom? - ANSWER When the number of electrons are
equal to the number of protons
12.What is a trace element? - ANSWER elements that are essential for life
13.What are the 4 most important trace elements? (include symbol and %) -
ANSWER Oxygen O 65%
Carbon C 18.5%
Hydrogen H 9.5%
Nitrogen N 3.3%
14.What are 8 other important trace elements? (include symbol) - ANSWER
sodium Na
potassium K
iron Fe
magnesium Mg
calcium Ca
chlorine Cl
phosphorus P
sulfur S
, 15.What is a radioactive isotope? - ANSWER The nucleus decays, giving off
particles and energy
16.How many electrons are found in the first energy shell? second? third? -
ANSWER up to 2 in 1st shell
up to 8 in 2nd shell
up to 18 in 3rd shell
up to 32 in 4th shell
17.What are the common themes of biology? - ANSWER pervade all of
biology, will make sense to you in the future
18.What is the scientific method? - ANSWER Make an observation, Ask a
question, Make a hypothesis, Draw a conclusion, Conduct a experiment,
Report results
19.When did the scientific method started? - ANSWER Started with the
outbreak of cholera London 1854
20.What is a hypothesis? - ANSWER A tentative explanation for an
observation
21.What are the components of a good hypothesis? - ANSWER Repeated
trials, good track of data
22.What is the difference between a hypothesis and a prediction? - ANSWER
A prediction is a guess what might happen based on observation.
and Answers) | Expert Graded A+ <Latest
Edition>
1. What is biology? - ANSWER The study of life
2. What are the 3 domains? - ANSWER Eukarya, Bacteria, Archie
3. What are the 4 kingdoms in eukaryote? - ANSWER Kingdom Animalia,
Kingdom Plantae, Kingdom Fungi, Kingdom Protista
4. What are the 7 properties of life? - ANSWER they have order, they regulate
themselves, they grow and develop, they use energy, they respond to the
environment, they reproduce, population evolve
5. What defines living? - ANSWER It has cells
6. What is an ion? - ANSWER An atom or molecule with a net electric charge
due to the loss of gain or looses its amount of electron
7. What is the difference between an ion and isotope? - ANSWER An atom is
an ion when it gains or losses electrons
8. An atom is an isotope when it has the same number of protons, but a
different number of neutrons
,9. What is the association between isotopes and fossils? - ANSWER to
calculate half life in fossils, you must determine the number of isotopes
10.What is energy? - ANSWER The capacity to do work and make a change in
matter
11.What is a neutral atom? - ANSWER When the number of electrons are
equal to the number of protons
12.What is a trace element? - ANSWER elements that are essential for life
13.What are the 4 most important trace elements? (include symbol and %) -
ANSWER Oxygen O 65%
Carbon C 18.5%
Hydrogen H 9.5%
Nitrogen N 3.3%
14.What are 8 other important trace elements? (include symbol) - ANSWER
sodium Na
potassium K
iron Fe
magnesium Mg
calcium Ca
chlorine Cl
phosphorus P
sulfur S
, 15.What is a radioactive isotope? - ANSWER The nucleus decays, giving off
particles and energy
16.How many electrons are found in the first energy shell? second? third? -
ANSWER up to 2 in 1st shell
up to 8 in 2nd shell
up to 18 in 3rd shell
up to 32 in 4th shell
17.What are the common themes of biology? - ANSWER pervade all of
biology, will make sense to you in the future
18.What is the scientific method? - ANSWER Make an observation, Ask a
question, Make a hypothesis, Draw a conclusion, Conduct a experiment,
Report results
19.When did the scientific method started? - ANSWER Started with the
outbreak of cholera London 1854
20.What is a hypothesis? - ANSWER A tentative explanation for an
observation
21.What are the components of a good hypothesis? - ANSWER Repeated
trials, good track of data
22.What is the difference between a hypothesis and a prediction? - ANSWER
A prediction is a guess what might happen based on observation.
