BIO 130 — Lecture 11 Part B Exam Questions and
Correct Answers
Ecology
The study of how organisms interact with each other and their environment.
Organism/Individual
The smallest level of ecological study; focuses on one organism.
Population
A group of individuals of the same species that live in the same area at the same time.
Community
Different species that interact with one another within a particular area.
Ecosystem
All organisms in a particular region plus abiotic, nonliving components.
Biosphere/Global
The thin zone surrounding Earth where all life exists.
Organismal Ecology
The study of individual organisms and their morphological, physiological, and behavioral
adaptations.
Adaptations
Heritable traits that increase fitness of an individual in a particular area.
, Population Ecology
The study of how and why the number and distribution of individuals in a population change
over time.
Community Ecology
The study of interactions between different species in a particular area.
Predation
An interaction where one organism kills and eats another organism.
Parasitism
An interaction where one organism benefits while harming another organism.
Competition
An interaction where organisms compete for limited resources.
Abiotic
Nonliving components of an ecosystem.
Biosphere
The thin zone surrounding Earth where all life exists.
Morphology
An organism’s physical form or structure.
Behavior
How an organism acts or responds.
Physiology
Correct Answers
Ecology
The study of how organisms interact with each other and their environment.
Organism/Individual
The smallest level of ecological study; focuses on one organism.
Population
A group of individuals of the same species that live in the same area at the same time.
Community
Different species that interact with one another within a particular area.
Ecosystem
All organisms in a particular region plus abiotic, nonliving components.
Biosphere/Global
The thin zone surrounding Earth where all life exists.
Organismal Ecology
The study of individual organisms and their morphological, physiological, and behavioral
adaptations.
Adaptations
Heritable traits that increase fitness of an individual in a particular area.
, Population Ecology
The study of how and why the number and distribution of individuals in a population change
over time.
Community Ecology
The study of interactions between different species in a particular area.
Predation
An interaction where one organism kills and eats another organism.
Parasitism
An interaction where one organism benefits while harming another organism.
Competition
An interaction where organisms compete for limited resources.
Abiotic
Nonliving components of an ecosystem.
Biosphere
The thin zone surrounding Earth where all life exists.
Morphology
An organism’s physical form or structure.
Behavior
How an organism acts or responds.
Physiology
