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Module 2 BIOD 101 QUESTIONS AND ANSWERS 2025
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Module 2 BIOD 101 QUESTIONS AND ANSWERS 2025
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Module 2: BIOD 101 QUESTIONSAND ANSWERS 2025
organism
individual, living creature
characteristics of an organism
order, evolutionary adaptation, regulation, energy processing,
growth and development, response to the environment, and
reproduction
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evolutionary adaptation
often called generational evolution; refers to smaller, genetic
changes that allow for better survival of an organism
regulation
living organisms are sensitive to temperature, environmental
stresses, pH requirements etc and go to great lengths to ensure
optimal levels are maintained (homeostasis) in order for the
organism to survive
,energy processing
in order to sustain life, living organisms must obtain biological fuel
(ATP = energy) or use metabolic processes to produce their own
energy
metabolism
the sum of biochemical reactions utilized to produce energy
adaption
a change or process that allows an organism to become better
suited for their environment; can be physical or behavioral
stimulus
anything that causes an organism to respond
sexual reproduction
the fusion of two gametes (one from each parent) that will unite and
grow into a new offspring
asexual reproduction
gives rise to new offspring from a single organism
biosphere
broadest level encompassing planet earth and the atmosphere; all
capable of sustaining living organisms
ecosystem
a system of living and non-living things in a region
communities
all the collective organisms living within a biological ecosystem
populations
a group of one particular species living within defined boundaries of
a community
organisms
the individual living members of a population
organ systems
, a group of organs classified as a shared unit because of shared
functions
organs
a structure composed of two or more tissue types; performs a
common function
tissues
a group of similar cells and the immediate environment surrounding
them
cells
living structures with organelles ('little organs') that function on a
microscopic level to keep the individual alive
chemical level
where the smallest level of biological organization is at, includes
atoms and molecules that are connected by chemical bonds and
interactions
What is a taxa?
A level of classification in the Linnaean classification system
How is the taxa hierarchy structured?
It is ordered by level of specificity and shared characteristics, going
from broad to specific
Linnaean classification
developed by Carolus Linnaeus in the 18th century
domain
largest and broadest category and encompasses all other taxa;
types include archaea, eubacteria and eukarya; can be subdivided
into kingdoms
Kingdom Classification Categories
phylum, class, order, family, genus and species
phylogeny
strategy through which scientists trace the evolutionary history and
diversification of a group or species
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