age 1 of 65
BIO 189 MIDTERM EXAM STUDY GUIDE 2025/2026
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES || 100% GUARANTEED
PASS <RECENT VERSION>
species .....Answer.....A group of organisms that can interbreed
and produce fertile offspring.
statistically significant .....Answer.....A result that is unlikely to
have occurred by chance, indicating a meaningful difference.
taxon .....Answer.....A group of one or more populations of an
organism or organisms.
taxonomy .....Answer.....The science of classifying organisms into
groups based on similarities.
,age 2 of 65
tissue .....Answer.....A group of cells that work together to
perform a specific function.
traits .....Answer.....Characteristics or features of an organism.
variable .....Answer.....Any factor that can change in an
experiment.
animals .....Answer.....Multicellular organisms that are typically
motile and consume organic material.
archaea .....Answer.....Single-celled microorganisms that are
prokaryotes, distinct from bacteria.
atom .....Answer.....The basic unit of a chemical element, consisting
of protons, neutrons, and electrons.
bacteria .....Answer.....Single-celled prokaryotic microorganisms
that can be found in various environments.
,age 3 of 65
biology .....Answer.....The scientific study of life and living
organisms.
biosphere .....Answer.....The global sum of all ecosystems, where
life exists.
cell .....Answer.....The smallest structural and functional unit of an
organism.
Community .....Answer.....A group of different species that live
together in one area.
consumer .....Answer.....An organism that obtains energy by
feeding on other organisms.
control group .....Answer.....The group in an experiment that does
not receive treatment and is used as a benchmark.
, age 4 of 65
data .....Answer.....Facts and statistics collected for reference or
analysis.
development .....Answer.....The process of growth and
differentiation in an organism.
DNA .....Answer.....The molecule that carries the genetic
instructions for life.
ecosystem .....Answer.....A community of living organisms and
their physical environment interacting as a system.
Eukaryotes .....Answer.....Organisms whose cells have a nucleus
enclosed within membranes.
experiment .....Answer.....A scientific procedure undertaken to test
a hypothesis.
BIO 189 MIDTERM EXAM STUDY GUIDE 2025/2026
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES || 100% GUARANTEED
PASS <RECENT VERSION>
species .....Answer.....A group of organisms that can interbreed
and produce fertile offspring.
statistically significant .....Answer.....A result that is unlikely to
have occurred by chance, indicating a meaningful difference.
taxon .....Answer.....A group of one or more populations of an
organism or organisms.
taxonomy .....Answer.....The science of classifying organisms into
groups based on similarities.
,age 2 of 65
tissue .....Answer.....A group of cells that work together to
perform a specific function.
traits .....Answer.....Characteristics or features of an organism.
variable .....Answer.....Any factor that can change in an
experiment.
animals .....Answer.....Multicellular organisms that are typically
motile and consume organic material.
archaea .....Answer.....Single-celled microorganisms that are
prokaryotes, distinct from bacteria.
atom .....Answer.....The basic unit of a chemical element, consisting
of protons, neutrons, and electrons.
bacteria .....Answer.....Single-celled prokaryotic microorganisms
that can be found in various environments.
,age 3 of 65
biology .....Answer.....The scientific study of life and living
organisms.
biosphere .....Answer.....The global sum of all ecosystems, where
life exists.
cell .....Answer.....The smallest structural and functional unit of an
organism.
Community .....Answer.....A group of different species that live
together in one area.
consumer .....Answer.....An organism that obtains energy by
feeding on other organisms.
control group .....Answer.....The group in an experiment that does
not receive treatment and is used as a benchmark.
, age 4 of 65
data .....Answer.....Facts and statistics collected for reference or
analysis.
development .....Answer.....The process of growth and
differentiation in an organism.
DNA .....Answer.....The molecule that carries the genetic
instructions for life.
ecosystem .....Answer.....A community of living organisms and
their physical environment interacting as a system.
Eukaryotes .....Answer.....Organisms whose cells have a nucleus
enclosed within membranes.
experiment .....Answer.....A scientific procedure undertaken to test
a hypothesis.
