BIO 1201 Crousillac Exam 1 UPDATED Exam Questions and CORRECT Answers

BIO 1201 Crousillac Exam 1 UPDATED
Exam Questions and CORRECT Answers
Evolution - CORRECT ANSWER - the built-in ability for genetic makeup to change over
time as a result of natural selection


Variation - CORRECT ANSWER - genetic variations within every species
-means some will be better suited to survive than others


Competition + Variation = - CORRECT ANSWER - better genes will survive and change
the genetic makeup of the population


13 Levels of Biological Hierarchy - CORRECT ANSWER - -Biosphere
-Ecosystem
-Community
-Population
-Organism
-Organ System
-Organ
-Tissue
-Cell
-Organelle
-Molecule
-Atom
-Subatomic Particle


Biosphere - CORRECT ANSWER - all environments on earth with living things

, Ecosystem - CORRECT ANSWER - all living and non-living things in an area



Community - CORRECT ANSWER - entire array of living things in an ecosystem



Population - CORRECT ANSWER - all organisms of the same species in an area



Organism - CORRECT ANSWER - living thing made of 2+ organs/organ systems



Organs/Organ Systems - CORRECT ANSWER - comprised of specialized tissues to
perform tasks within an organism (heart, lungs, etc)


Tissue - CORRECT ANSWER - group of cells from similar embryonic origins that that
join together to form organs


Cell - CORRECT ANSWER - basic building block of life



Organelle - CORRECT ANSWER - functional components of cells (cellular membrane,
nucleus, Golgi bodies, etc)


Molecule - CORRECT ANSWER - 2+ atoms bonded together



Atom - CORRECT ANSWER - basic building block of life that cannot be truly split into
any smaller parts


Subatomic particles - CORRECT ANSWER - protons, neutrons, and electrons



Emergent Properties - CORRECT ANSWER - property that emerges as a result of
interactions between components as complexity increases
-end result is greater than the sum of the parts