Biology 160 Exam 1-3 Study Guide Questions
and Answers 100% Pass
Define Biology - ANS The scientific study of life and living things.
What are the 5 characteristics of life? - ANS Organization
Energy Use (Food)
Homeostasis
Reproduction, Growth and Development
Evolution
What is the Hierarchy of life (organization of life - atom to biosphere)? Explain each level and
give examples at each level. Which is the most and least inclusive level? - ANS From Least
Inclusive to Most inclusive: Atom, Molecule,Organelle,Cell,Tissue,Organ, Organ System,
Organism, Population, Community, Ecosystem, Biosphere.
What is an Emergent Property? - ANS At each level, from the molecular and up, new
properties arrange which causes the sum of the parts to be bigger than the individual.
Describe Homeostasis and how organisms maintain internal constancy. - ANS Homeostasis is
the ability to maintain internal constancy and organisms maintain that by keeping themselves
stable in temperature, moisture level, chemistry etc. (adapting to their new
environment/surroundings).
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