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WorksheetsBiodiversity
Total questions: 21
Worksheet time: 15mins
Genetic Diversity refers to
The number of species in a region or habitat
Genetic variation among individuals in a population
The variety of habitats that exist within a given region
Bottleneck effect
In the event of a bottleneck effect the surviving population of a species has more genetic diversity.
True
False
In the three scales of biodiversity species diversity refers to
The number of species in a region or habitat
Genetic variation among individuals in a population
The variety of habitats that exist within a given region
the Bottleneck effect
What is the most common organism? (bacterium)
(a)
In the three scales of biodiversity habitat diversity refers to
genetic variation among individuals in a population
the number of species in a region or habitat
the variety of habitats that exist within a given region
the bottleneck effect
A species that can live under a wide range of biotic/abiotic conditions in known as a
keystone species
specialist species
biotic species
generalist species
A species that can live under a very narrow range of conditions or feed on one or a very small group is known as a
Specialist species
Keystone Species
Indicator Species
Generalist Species
Species evenness is the abundance of individuals within each species.
True
False
The total number of species in an area is known as the
Species Evenness
Species Richness
Species Numbers
Generalist Species
The fact that ecosystems have their own value independent from our needs is known as the
intrinsic value
instrumental value
regulating service
This type of ecosystem service refers to goods that humans use directly
Regulating
Support
Provisioning
Cultural
Crops is an example of which ecosystem service?
Regulating Service
Provisioning Service
Support Service
Cultural Service
Nutrient and water cycles are the primary example of which ecosystem service?
Provisioning
Support
Cultural
Regulating
The primary example for support services provided by ecosystems is which of the following?
lumber, food crops, rubber
Tourism, real estate, recreation
pollination, water filtration, natural pest control
nutrient and water cycles
Tourism is an example of a cultural service.
True
False
What is often the limiting factor in soil? (tolerance)
Salinity
Silica, Iron, Dissolved Oxygen
Nitrogen, Phosphorus, Potassium
Calcium
Resistance is
Ability to remain unchanged when being subjected to a disturbance
Ability of an ecosystem to recover from a disturbance
Ability of an ecosystem to return to its pre-disturbed state after a disturbance
After a volcano eruption a forest is destroyed. If this forest is able to grow back it would be known as
Resistant
Resilient
Which of the following best shows the process of evolution?
A bear goes into hibernation.
A plant loses its leaves in a drought.
A population of mosquitoes develops resistance to a pesticide.
A population of foxes increases as more prey becomes available.
Living organisms must acquire energy from their environment. Examples of adaptations that help organisms acquire this energy include which of the following?
The dark, heat-absorbing coloration of a reptile.
The fangs and claws of a lion
The gray wings of a peppered moth.
In North America, native pollinators often increase the quantity and quality of crops of native plants that are insect pollinated more effectively than European honeybees do. The most likely reason is
are unaffected by commercial pesticides
are smaller than European honeybees
have no known native predators
have coevolved with native plant species
