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WorksheetsB / HB Ecology Test Review
Total questions: 22
Worksheet time: 11mins
An environmental factor that causes the population to decrease (or stop increasing) is called
limiting factor
carrying capacity
population density
ecosystem
A non-living thing is considered a
biotic factor
abiotic factor
community factor
population factor
Which energy role obtains energy through photosynthesis?
producer
consumer
decomposer
herbivore
Which energy role obtains energy through breaking down dead organisms (and waste products) and returning the nutrients to the environment?
producer
consumer
decomposer
omnivore
All of the biotic and abiotic factors in an environment make up
a community
a species
a population
an ecosystem
Where an organism lives to obtain the food, water, and other resources it needs to survive is called its
niche
habitat
trophic level
energy role
Which of the following statements are true with respect to the picture?
frog is a first level consumer
frog is a producer
frog is a second level consumer
frog is a top consumer
Which of the following describes a population that is at risk of extinction?
endangered species
threatened species
extinct species
keystone species
Which of the following terms describes a population that no longer exists?
endangered species
extinct species
threatened species
keystone species
Which of the following shows a linear model of how energy flows in an ecosystem?
food chain
food web
decomposers
ecosystem
Which of the following shows a model of energy transfer of food chains in a community that are interconnected?
food web
food chain
energy pyramid
habitat
A carnivore can also be described as:
a producer
a primary consumer
a secondary consumer
a tertiary consumer
The top trophic level on the energy pyramid is described as
a secondary consumer
a producer
a primary consumer
a tertiary consumer
Plants and other photosynthetic organisms can be described as
producers
primary consumers
secondary consumers
tertiary consumers
