BIO 101 EXAM QUESTIONS WITH REVISED AND UPDATED ANSWERS
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Course
BIO 101
Institution
BIO 101
BIO 101 EXAM QUESTIONS WITH REVISED AND UPDATED ANSWERS
What is reproduction? - Answer-To make more of oneself; directed by information encoded in Genes, withing each individual's DNA
Asexual Reproduction - Answer-Unicellular organisms reproduce asexually, by cell division. (New cells have sam...
BIO 101 EXAM QUESTIONS WITH
REVISED AND UPDATED ANSWERS
What is reproduction? - Answer-To make more of oneself; directed by information
encoded in Genes, withing each individual's DNA
Asexual Reproduction - Answer-Unicellular organisms reproduce asexually, by cell
division. (New cells have same genes and structure as single parent, they are clones)
Sexual Reproduction - Answer-Multicellular organisms most often reproduce Sexually;
Male and female parents contribute roughly half of their genes to offspring.
It increases genetic diversity
What is a Behavior? - Answer-Anything that an organism does in response to a stimulus
in its environment
Homeostasis - Answer-"Staying the same" the ability of the body to maintain a
RELATIVELY constant internal environment
Endotherm and Ectoher, - Answer-Endotherm - Internally regulating temperature. (worm
blooded)
Ectotherm - could blooded, relies on outside temperature
What are Adaptations? - Answer-Features that makes and organism better suited to the
new environment
What is Natural Selection? - Answer-Differental reproductive success that results in
changes in the characteristics of a population through time
Individuals of a species that are better adapted to their environment tent to live longer
and produce more offspring than others
What is Evolution? - Answer-Change in the frequency of traits in population and species
Where does energy and food start in food chains? - Answer-Plants - buttom
Why is the energy pyramid is shaped the way it is? - Answer-Energy decreases as you
go up. Therefore we have fewer Herbivores and and even less carnivores.
What is systematics and how does it work? - Answer-is the discipline of identifying and
classifying organisms according to specific criteria
Classification categories - Answer-Dumb Kids Play Chicken On Freeway Get Squished
Domain Kingdom Phylum class Order Family Genus Species
, What are the 4 kingdoms withing Domain Eukarya and what are the characteristics of
each - Answer-unicellular and multicellular Eukaryotes (Membrane bound nucleus,
genetic material)
1. PROTISTA (Protists) - Unicellular and some multi- cellular; some are
photosynthesizers , others are heterotrophs.
2. FUNGI - molds and mushrooms (some unicellular) that help decompose organs
What is Taxonomy? - Answer-The assignment of a binomial (Two part name) to each
species; Latin is used as a common language.
what are the steps of scientific method in order? - Answer-1. Observation
2.Askba question/ State a problem
3.formulate hypothesis
4.test hypothesis
5.collect/analyze date
6. reach conclusion
What is a definition of Hypothesis? - Answer-Educated guess, a tentative explanation
for the natural event, The scientists present this hypothesis as a falsifiable statement
What does it mean for an experiment to be controlled?
What are the to groups in a controlled experiment and what are the differences (and
similarities) between the two groups? - Answer-A control group, or simply the
CONTROL, goes through all the steps of an experiment, but lacks the factor, or is not
exposed to the factor being tested.
Controlled experiment has groups.
Controlled and Experimental group
Control group lucks factor being tested
Experimental group has independent and experimental variable
Outcome that we measure in dependent or response variable
What is an Independent Variable?
What is another name for Independent Variable? - Answer-Variable being tested is the
Experimental Variable is also called Independent Variable.
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