BIOLOGY 103 UNIT 1 LECTURE EXAM 2026
| COMPLETE STUDY GUIDE & PRACTICE
QUESTIONS
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,characteristics of living things (6) -living things are organized
-life requires materials & energy
-living things maintain homeostasis
-living things respond to stimuli
-living things reproduce & develop
-living things have adaptations
living things are organized - levels of biology (biggest -biosphere
to smallest) -ecosystem
-community
(must know in order) -populations
-organism
-organ system
-organ
-tissues
-cells
-molecules
-atom
atom smallest unit of an element composed of electrons, protons, & neutrons
,what is an atom composed of protons, neutrons, electrons
molecules union of two or more atoms of the same or different elements
cell -basic unit of life
-the structural & functional unit of all living organisms
tissues a group of cells with a common structure & function
organs composed of tissues functioning together for specific task
organ system composed of several organs working together
organism an individual; complex individuals contain organ systems
, population organisms of the same species in a particular area
community interacting populations in a particular area
ecosystem a community plus its physical environment
biosphere Regions of the Earth's crust, waters, and atmosphere inhabited by living
organisms
with levels of biological organization, each level is true
more complex than the level before it
1 multiple choice option
with levels of biological organization, each level emergent properties
requires _______________
emergent properties "sum is more than the parts"
| COMPLETE STUDY GUIDE & PRACTICE
QUESTIONS
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,characteristics of living things (6) -living things are organized
-life requires materials & energy
-living things maintain homeostasis
-living things respond to stimuli
-living things reproduce & develop
-living things have adaptations
living things are organized - levels of biology (biggest -biosphere
to smallest) -ecosystem
-community
(must know in order) -populations
-organism
-organ system
-organ
-tissues
-cells
-molecules
-atom
atom smallest unit of an element composed of electrons, protons, & neutrons
,what is an atom composed of protons, neutrons, electrons
molecules union of two or more atoms of the same or different elements
cell -basic unit of life
-the structural & functional unit of all living organisms
tissues a group of cells with a common structure & function
organs composed of tissues functioning together for specific task
organ system composed of several organs working together
organism an individual; complex individuals contain organ systems
, population organisms of the same species in a particular area
community interacting populations in a particular area
ecosystem a community plus its physical environment
biosphere Regions of the Earth's crust, waters, and atmosphere inhabited by living
organisms
with levels of biological organization, each level is true
more complex than the level before it
1 multiple choice option
with levels of biological organization, each level emergent properties
requires _______________
emergent properties "sum is more than the parts"
