Bsc 108 Exam 1 And 2 | All Questions And Correct Answers | Verified
Answers | Graded A+ | Just Released
List the levels of biological organizations in order - (CORRECT ANSWER)atoms, molecules,
cells, tissues, organs, organ systems, organisms, population, community, ecosystem, and
biosphere
Example of a Population - (CORRECT ANSWER)herd of zebras
Example of a Community - (CORRECT ANSWER)all organisms in the Savanna
Example of an Ecosystem - (CORRECT ANSWER)African Savanna
Example of a Biosphere - (CORRECT ANSWER)Earth
List the properties common to all living things - (CORRECT ANSWER)they are complex &
organized; they grow & reproduce; they respond to stimuli; they acquire materials & use energy
(metabolism); they use DNA to store hereditary information; they have adaptations to their
environment
Homeostasis - (CORRECT ANSWER)the process of keeping internal conditions such as
temperature constant in an organism
List the three domains of living organisms - (CORRECT ANSWER)Eukarya, Archaea, Bacteria
What are the two basic types of organisms each domain contains? - (CORRECT
ANSWER)prokaryotic & eukaryotic
Prokaryotic Cell - (CORRECT ANSWER)simple, small, no nucleus, no organelles besides
ribosomes
1
,Eukaryotic Cell - (CORRECT ANSWER)larger, more complex, have . a nucleus, and contains
membrane-bound organelles
What domain are Bacteria and Archaea? - (CORRECT ANSWER)Prokaryotic Cells
What are the four kingdoms of Eukarya? - (CORRECT ANSWER)plantae, fungi, animalia, and
protista
List the steps of the scientific method - (CORRECT ANSWER)observations, question,
hypothesis, prediction, and test through an experiment or additional observations
Hypothesis - (CORRECT ANSWER)a tentative answer to some question
Example of a Hypothesis - (CORRECT ANSWER)I believe that a fake snake left in the wild will
be more likely to be attacked by other animals
Example of Experimental Variable - (CORRECT ANSWER)Fake snakes
Example of Control Group - (CORRECT ANSWER)Real snakes to compare
Scientific Theory - (CORRECT ANSWER)a well-tested concept that explains a wide range of
observations and is primarily accepted in science
example of scientific theory - (CORRECT ANSWER)theory of evolution and natural selection
Element - (CORRECT ANSWER)A substance that can't be brokem down into another substance
by ordinary means
2
, Atom - (CORRECT ANSWER)the smallest unit of matter that still retains the properties of an
element
What are atoms composed of? - (CORRECT ANSWER)subatomic particles (protons, neutrons,
electrons)
Proton - (CORRECT ANSWER)positively charged
Electron - (CORRECT ANSWER)negatively charged
Neutron - (CORRECT ANSWER)electrically neutral
Where are the protons and neutrons in most atoms? - (CORRECT ANSWER)packed tightly into
the nucleus
Where are the electrons in atoms? - (CORRECT ANSWER)orbiting the nucleus
What is an element's atomic number? - (CORRECT ANSWER)the number of protons- which
determines which element it is
What is an element's atomic mass? - (CORRECT ANSWER)its number of protons plus its
number of neutrons
What do the number of electrons in the outermost shell of an atom determine? - (CORRECT
ANSWER)the chemical properties of an atom
Chemical reactions enable atoms to what? - (CORRECT ANSWER)give up or acquire electrons
in order to complete their outer shells
3
Answers | Graded A+ | Just Released
List the levels of biological organizations in order - (CORRECT ANSWER)atoms, molecules,
cells, tissues, organs, organ systems, organisms, population, community, ecosystem, and
biosphere
Example of a Population - (CORRECT ANSWER)herd of zebras
Example of a Community - (CORRECT ANSWER)all organisms in the Savanna
Example of an Ecosystem - (CORRECT ANSWER)African Savanna
Example of a Biosphere - (CORRECT ANSWER)Earth
List the properties common to all living things - (CORRECT ANSWER)they are complex &
organized; they grow & reproduce; they respond to stimuli; they acquire materials & use energy
(metabolism); they use DNA to store hereditary information; they have adaptations to their
environment
Homeostasis - (CORRECT ANSWER)the process of keeping internal conditions such as
temperature constant in an organism
List the three domains of living organisms - (CORRECT ANSWER)Eukarya, Archaea, Bacteria
What are the two basic types of organisms each domain contains? - (CORRECT
ANSWER)prokaryotic & eukaryotic
Prokaryotic Cell - (CORRECT ANSWER)simple, small, no nucleus, no organelles besides
ribosomes
1
,Eukaryotic Cell - (CORRECT ANSWER)larger, more complex, have . a nucleus, and contains
membrane-bound organelles
What domain are Bacteria and Archaea? - (CORRECT ANSWER)Prokaryotic Cells
What are the four kingdoms of Eukarya? - (CORRECT ANSWER)plantae, fungi, animalia, and
protista
List the steps of the scientific method - (CORRECT ANSWER)observations, question,
hypothesis, prediction, and test through an experiment or additional observations
Hypothesis - (CORRECT ANSWER)a tentative answer to some question
Example of a Hypothesis - (CORRECT ANSWER)I believe that a fake snake left in the wild will
be more likely to be attacked by other animals
Example of Experimental Variable - (CORRECT ANSWER)Fake snakes
Example of Control Group - (CORRECT ANSWER)Real snakes to compare
Scientific Theory - (CORRECT ANSWER)a well-tested concept that explains a wide range of
observations and is primarily accepted in science
example of scientific theory - (CORRECT ANSWER)theory of evolution and natural selection
Element - (CORRECT ANSWER)A substance that can't be brokem down into another substance
by ordinary means
2
, Atom - (CORRECT ANSWER)the smallest unit of matter that still retains the properties of an
element
What are atoms composed of? - (CORRECT ANSWER)subatomic particles (protons, neutrons,
electrons)
Proton - (CORRECT ANSWER)positively charged
Electron - (CORRECT ANSWER)negatively charged
Neutron - (CORRECT ANSWER)electrically neutral
Where are the protons and neutrons in most atoms? - (CORRECT ANSWER)packed tightly into
the nucleus
Where are the electrons in atoms? - (CORRECT ANSWER)orbiting the nucleus
What is an element's atomic number? - (CORRECT ANSWER)the number of protons- which
determines which element it is
What is an element's atomic mass? - (CORRECT ANSWER)its number of protons plus its
number of neutrons
What do the number of electrons in the outermost shell of an atom determine? - (CORRECT
ANSWER)the chemical properties of an atom
Chemical reactions enable atoms to what? - (CORRECT ANSWER)give up or acquire electrons
in order to complete their outer shells
3
