Bio 121 Jaymes Awbrey Final Exam
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Homo floresiensis - CORRECT ANSWER - An extinct hominin species discovered in
Indonesia.
Ecology - CORRECT ANSWER - Study of organisms and their environments.
Organismal Ecology - CORRECT ANSWER - Focuses on organism adaptations to
environments.
Population Ecology - CORRECT ANSWER - Studies factors affecting population size and
density.
Community Ecology - CORRECT ANSWER - Examines interactions among species in a
community.
Ecosystem Ecology - CORRECT ANSWER - Concerned with energy flow and chemical
cycling.
Global Ecology - CORRECT ANSWER - Studies energy and matter influence across
biosphere.
Biosphere - CORRECT ANSWER - Global ecosystem including biotic and abiotic factors.
Biotic Factors - CORRECT ANSWER - Living organisms within an ecosystem.
Abiotic Factors - CORRECT ANSWER - Nonliving components affecting ecosystems.
,Energy Supply - CORRECT ANSWER - Most ecosystems powered by solar energy.
Nutrients - CORRECT ANSWER - Inorganic substances impacting plant growth.
Population Density - CORRECT ANSWER - Number of individuals per unit area.
Dispersion Patterns - CORRECT ANSWER - Spatial arrangement of individuals in a habitat.
Survivorship - CORRECT ANSWER - Probability of an individual living to a certain age.
Carrying Capacity - CORRECT ANSWER - Maximum population size sustainable in an
environment.
Logistic Growth Model - CORRECT ANSWER - Population growth slows as it nears
carrying capacity.
Density-Dependent Factors - CORRECT ANSWER - Limiting factors affected by population
density.
Density-Independent Factors - CORRECT ANSWER - Limiting factors unrelated to
population density.
Exponential Growth - CORRECT ANSWER - Rapid population increase, especially in
humans.
Interspecific Interactions - CORRECT ANSWER - Relationships between different species in
a community.
, Competition - CORRECT ANSWER - Mutually harmful interaction over similar resources.
Mutualism - CORRECT ANSWER - Beneficial interaction for both species involved.
Predation - CORRECT ANSWER - Predator kills and consumes prey species.
Herbivory - CORRECT ANSWER - Consumption of plant parts by animals.
Parasitism - CORRECT ANSWER - Parasite lives on host, obtaining nutrients.
Pathogens - CORRECT ANSWER - Microorganisms that cause disease.
Trophic Structure - CORRECT ANSWER - Feeding relationships within a community.
Food Chain - CORRECT ANSWER - Simplified description of trophic relationships.
Primary Producers - CORRECT ANSWER - Convert solar energy to chemical energy.
Tertiary Consumers - CORRECT ANSWER - Top-level predators in an ecosystem.
Decomposers - CORRECT ANSWER - Organisms that break down nonliving matter.
Food web - CORRECT ANSWER - Interconnected food chains showing energy transfer.
Biological magnification - CORRECT ANSWER - Toxins concentrate as they move up food
chains.
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Homo floresiensis - CORRECT ANSWER - An extinct hominin species discovered in
Indonesia.
Ecology - CORRECT ANSWER - Study of organisms and their environments.
Organismal Ecology - CORRECT ANSWER - Focuses on organism adaptations to
environments.
Population Ecology - CORRECT ANSWER - Studies factors affecting population size and
density.
Community Ecology - CORRECT ANSWER - Examines interactions among species in a
community.
Ecosystem Ecology - CORRECT ANSWER - Concerned with energy flow and chemical
cycling.
Global Ecology - CORRECT ANSWER - Studies energy and matter influence across
biosphere.
Biosphere - CORRECT ANSWER - Global ecosystem including biotic and abiotic factors.
Biotic Factors - CORRECT ANSWER - Living organisms within an ecosystem.
Abiotic Factors - CORRECT ANSWER - Nonliving components affecting ecosystems.
,Energy Supply - CORRECT ANSWER - Most ecosystems powered by solar energy.
Nutrients - CORRECT ANSWER - Inorganic substances impacting plant growth.
Population Density - CORRECT ANSWER - Number of individuals per unit area.
Dispersion Patterns - CORRECT ANSWER - Spatial arrangement of individuals in a habitat.
Survivorship - CORRECT ANSWER - Probability of an individual living to a certain age.
Carrying Capacity - CORRECT ANSWER - Maximum population size sustainable in an
environment.
Logistic Growth Model - CORRECT ANSWER - Population growth slows as it nears
carrying capacity.
Density-Dependent Factors - CORRECT ANSWER - Limiting factors affected by population
density.
Density-Independent Factors - CORRECT ANSWER - Limiting factors unrelated to
population density.
Exponential Growth - CORRECT ANSWER - Rapid population increase, especially in
humans.
Interspecific Interactions - CORRECT ANSWER - Relationships between different species in
a community.
, Competition - CORRECT ANSWER - Mutually harmful interaction over similar resources.
Mutualism - CORRECT ANSWER - Beneficial interaction for both species involved.
Predation - CORRECT ANSWER - Predator kills and consumes prey species.
Herbivory - CORRECT ANSWER - Consumption of plant parts by animals.
Parasitism - CORRECT ANSWER - Parasite lives on host, obtaining nutrients.
Pathogens - CORRECT ANSWER - Microorganisms that cause disease.
Trophic Structure - CORRECT ANSWER - Feeding relationships within a community.
Food Chain - CORRECT ANSWER - Simplified description of trophic relationships.
Primary Producers - CORRECT ANSWER - Convert solar energy to chemical energy.
Tertiary Consumers - CORRECT ANSWER - Top-level predators in an ecosystem.
Decomposers - CORRECT ANSWER - Organisms that break down nonliving matter.
Food web - CORRECT ANSWER - Interconnected food chains showing energy transfer.
Biological magnification - CORRECT ANSWER - Toxins concentrate as they move up food
chains.
