BZ 110 EXAM 2 Questions with
Verified Answers
What is the definition of ecology? - ANSWERSThe study of the relationships between
organisms and their environment and other organisms in the shared environment
How do you define biodiversity? - ANSWERSThe variety of all living things and their
interactions
How does deforestation contribute to climate change? - ANSWERSWhen deforestation
occurs, much of the carbon stored by trees is released back into the atmosphere as
carbon dioxide
What is an invasive species? - ANSWERSA non-native species that typically harms an
environment, but sometimes has benefits
Levels of classification (1 widest; 8 shortest) - ANSWERSDomain, Kingdom, Phylum,
Class, Order, Family, Genus, Species
Define carrying capacity - ANSWERSa species' average population size in a particular
habitat
Commensalism is a symbiotic relationship where one species is (. ) and the other
species is ( ). - ANSWERSUnaffected, Unaffected
Mutualism is a symbiotic relationship where one species is (. ) and the other species is
(. ). - ANSWERSBenefited, Benefited
Parasitism is a symbiotic relationship where one species is (. ). and the other species is
(. ). - ANSWERSBenefited, Harmed
An ectoparasite lives (. ). of their host and an endoparasite lives (. ) of their host -
ANSWERSOutside, Inside
Examples of density dependent factors - ANSWERSParasitism, Predation, Competition,
Migration, Disease
examples of density independent factors - ANSWERSWeather, Climate change, natural
disasters
What two are the parts for binomial nomenclature? - ANSWERSGenus and Species
, How is symmetry defined in biology, specifically zoology? - ANSWERSThe repetition of
the parts in an animal or plant in an orderly fashion
An animals - includes all of the biotic and abiotic characteristics of the area in which the
animal lives - ANSWERSHabitat
When an abiotic factor is out of the range of tolerance for an animal, it becomes a -
ANSWERSLimiting factor
On a survivorship curve, the Y axis records - ANSWERSthe number of survivors
If organisms are placed in an environment with unlimited resources, that population of
organisms will probably experience - ANSWERSexponential growth
Individuals in type II populations: - ANSWERShave a constant probability of death
throughout their lives
The population size that a particular environment can support is called the -
ANSWERSCarrying capacity
The constraint placed on a population by various environmental factors is known as -
ANSWERSenvironmental resistance
Because they must ingest other organisms to supply their energy needs, animals are
categorized as _______. - ANSWERSHeterotrophs
The environmental conditions under which an animal is most successful are called the -
ANSWERSRange of optimum
Animals that are brightly colored to warn away potential predators are said to have -
ANSWERSaposematic coloration
In many cases, predator and prey organisms evolve together and exert a strong
selective influence on each other. This is known as (. ) - ANSWERSCoevolution
In a parasitic relationship, the __________ host is the host that harbors the sexual
stage of the parasite. - ANSWERSDefinitive
A symbiotic relationship in which one organism lives on or in another organism and
derives nourishment from that organism (and harms the host) is called _______. -
ANSWERSParasitism
A symbiotic relationship in which one member derives a benefit from the association
and the second member is unaffected is called (. ) - ANSWERSCommensalism
Verified Answers
What is the definition of ecology? - ANSWERSThe study of the relationships between
organisms and their environment and other organisms in the shared environment
How do you define biodiversity? - ANSWERSThe variety of all living things and their
interactions
How does deforestation contribute to climate change? - ANSWERSWhen deforestation
occurs, much of the carbon stored by trees is released back into the atmosphere as
carbon dioxide
What is an invasive species? - ANSWERSA non-native species that typically harms an
environment, but sometimes has benefits
Levels of classification (1 widest; 8 shortest) - ANSWERSDomain, Kingdom, Phylum,
Class, Order, Family, Genus, Species
Define carrying capacity - ANSWERSa species' average population size in a particular
habitat
Commensalism is a symbiotic relationship where one species is (. ) and the other
species is ( ). - ANSWERSUnaffected, Unaffected
Mutualism is a symbiotic relationship where one species is (. ) and the other species is
(. ). - ANSWERSBenefited, Benefited
Parasitism is a symbiotic relationship where one species is (. ). and the other species is
(. ). - ANSWERSBenefited, Harmed
An ectoparasite lives (. ). of their host and an endoparasite lives (. ) of their host -
ANSWERSOutside, Inside
Examples of density dependent factors - ANSWERSParasitism, Predation, Competition,
Migration, Disease
examples of density independent factors - ANSWERSWeather, Climate change, natural
disasters
What two are the parts for binomial nomenclature? - ANSWERSGenus and Species
, How is symmetry defined in biology, specifically zoology? - ANSWERSThe repetition of
the parts in an animal or plant in an orderly fashion
An animals - includes all of the biotic and abiotic characteristics of the area in which the
animal lives - ANSWERSHabitat
When an abiotic factor is out of the range of tolerance for an animal, it becomes a -
ANSWERSLimiting factor
On a survivorship curve, the Y axis records - ANSWERSthe number of survivors
If organisms are placed in an environment with unlimited resources, that population of
organisms will probably experience - ANSWERSexponential growth
Individuals in type II populations: - ANSWERShave a constant probability of death
throughout their lives
The population size that a particular environment can support is called the -
ANSWERSCarrying capacity
The constraint placed on a population by various environmental factors is known as -
ANSWERSenvironmental resistance
Because they must ingest other organisms to supply their energy needs, animals are
categorized as _______. - ANSWERSHeterotrophs
The environmental conditions under which an animal is most successful are called the -
ANSWERSRange of optimum
Animals that are brightly colored to warn away potential predators are said to have -
ANSWERSaposematic coloration
In many cases, predator and prey organisms evolve together and exert a strong
selective influence on each other. This is known as (. ) - ANSWERSCoevolution
In a parasitic relationship, the __________ host is the host that harbors the sexual
stage of the parasite. - ANSWERSDefinitive
A symbiotic relationship in which one organism lives on or in another organism and
derives nourishment from that organism (and harms the host) is called _______. -
ANSWERSParasitism
A symbiotic relationship in which one member derives a benefit from the association
and the second member is unaffected is called (. ) - ANSWERSCommensalism
