Exam (elaborations)
BIOL 301 Exam Verified Study Guide Questions And Answers
- Course
- BIOL 301
- Institution
- Liberty University
BIOL 301 Exam Verified Study Guide Questions And Answers
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BIOL 301 Exam Verified Study Guide Questions AndAnswers
Individual Approach ANS -fundamental unit of ecology = organism
-how an individual’s morphology, physiology and behavior enable it to survive
Population Approach ANS -individuals of same species living in particular area
-variation over time and space in the number, density and composition (birth/death rates,
im/emigration, sex ratio)
Community Approach ANS -all populations of species living in a particular area
-diversity and relative abundances of different populations (coexistence)
Ecosystem Approach ANS -one or more communities of living organisms interacting with their
nonliving physical and chemical environments
-storage and transfer of energy and matter
Landscape Approach ANS -multiple ecosystems connected by the movement of individuduals,
populations, and energy
-movement of energy, matter and individuals between ecosystems
Biosphere Approach ANS -all the ecosystems of earth
-largest scale movement (water and air)
Evolution depends on... ANS -variation
-inheritance
-selection
-time
, Darwin looked at ___ to convince him that life has evolved ANS finches, tortoise species,
geology, fossils of common modern ancestors, own experiments with artificial selection
How do adaptations evolve? ANS natural selection
3 requirements for scientific method ANS -objective
-standardized
-self-correcting
observation ANS notice/propose problem to solve
-usually a question
hypothesis ANS potential answer to question at hand
requirements for a hypothesis ANS testable and falsifiable statement that is simple and concise
-if/then statement
if/then statement ANS if = testable relationship
then = prediction of expected results
experiment ANS ordered investigations intended to prove or disprove a hypothesis
types of experiments ANS -manipulative
-natural
-mathematical models
manipulative experiment ANS treatment and control, replication, randomization
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