PCB 3043 Chapter 1 || 100% Error-free Answers.
A genotype is
- an individual's set of genes
- the effect of natural selection on an individual
-an individual's attributes
-the differences between the genes of two species correct answers an individual's set of genes
Which is the largest ecological system in scale?
-population
-community
-biosphere
-ecosystem correct answers biosphere
An ecologist who studies populations would most likely be interested in
-adaptations that increase the survival of individual organisms
-physical and chemical transformations of energy and materials in the soil, atmosphere, and
water
-the number an relative abundances of different species in a particular place
-births and deaths of individuals that belong to a particular species in a particular place correct
answers births and deaths of individuals that belong to a particular species in a particular place
Which physical principle is used to monitor the transfer of energy in ecological systems?
-the first law of thermodynamics
-the law of conservation of matter
-the interconnectivity of ecosystems
-dynamic steady states correct answers the first law of thermodynamics
Which source of energy is most likely to be used by fungi?
-dead organisms
-the sun
-other living organisms
-water correct answers dead organisms
The physical setting in which a species lives is its
-niche
-ecosystem
-habitat
-community correct answers habitat
, A proximate hypothesis
-is a hypothesis that has been tested and revised
-addresses an organism's response to the environment
-addresses immediate changes to an organism's internal systems
-explains how an organism has adapted its physiology correct answers addresses immediate
changes to an organism's internal systems
When experimental manipulations are conducted to test a hypothesis, the purpose of the control
is to
-test the experiment in several sets of conditions
-ensure that the sample size is large enough
-see how the experiment occurs without any manipulations
-include an unknown that has not yet been tested correct answers see how the experiment occurs
without any manipulations
Which method of hypothesis testing uses environmental variance to test an otherwise difficult
problem?
-a mathematical model
-a manipulative experiment
-a natural experiment
-a microcosm correct answers a natural experiment
The most significant factor in the increased influence of humans on ecological systems in the last
century is the result of
-increased use of metals and other minerals
-the increased size of cities
-the increased human population
-changes in agriculture correct answers the increased human population
the fundamental unit of ecology is
-community
-ecosystem
-population
-individual correct answers individual
All the wood frogs in a 2 hectare square area of hardwood forest would be considered a
-ecosystem
-population
-community
-biosphere correct answers population
A genotype is
- an individual's set of genes
- the effect of natural selection on an individual
-an individual's attributes
-the differences between the genes of two species correct answers an individual's set of genes
Which is the largest ecological system in scale?
-population
-community
-biosphere
-ecosystem correct answers biosphere
An ecologist who studies populations would most likely be interested in
-adaptations that increase the survival of individual organisms
-physical and chemical transformations of energy and materials in the soil, atmosphere, and
water
-the number an relative abundances of different species in a particular place
-births and deaths of individuals that belong to a particular species in a particular place correct
answers births and deaths of individuals that belong to a particular species in a particular place
Which physical principle is used to monitor the transfer of energy in ecological systems?
-the first law of thermodynamics
-the law of conservation of matter
-the interconnectivity of ecosystems
-dynamic steady states correct answers the first law of thermodynamics
Which source of energy is most likely to be used by fungi?
-dead organisms
-the sun
-other living organisms
-water correct answers dead organisms
The physical setting in which a species lives is its
-niche
-ecosystem
-habitat
-community correct answers habitat
, A proximate hypothesis
-is a hypothesis that has been tested and revised
-addresses an organism's response to the environment
-addresses immediate changes to an organism's internal systems
-explains how an organism has adapted its physiology correct answers addresses immediate
changes to an organism's internal systems
When experimental manipulations are conducted to test a hypothesis, the purpose of the control
is to
-test the experiment in several sets of conditions
-ensure that the sample size is large enough
-see how the experiment occurs without any manipulations
-include an unknown that has not yet been tested correct answers see how the experiment occurs
without any manipulations
Which method of hypothesis testing uses environmental variance to test an otherwise difficult
problem?
-a mathematical model
-a manipulative experiment
-a natural experiment
-a microcosm correct answers a natural experiment
The most significant factor in the increased influence of humans on ecological systems in the last
century is the result of
-increased use of metals and other minerals
-the increased size of cities
-the increased human population
-changes in agriculture correct answers the increased human population
the fundamental unit of ecology is
-community
-ecosystem
-population
-individual correct answers individual
All the wood frogs in a 2 hectare square area of hardwood forest would be considered a
-ecosystem
-population
-community
-biosphere correct answers population
