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WorksheetsEcology Test Review
Total questions: 27
Worksheet time: 14mins
The lowest level of environmental complexity that includes living and nonliving factors is the
biome
ecosystem
community
biosphere
Plants are
producers
herbivores
primary consumers
omnivores
All the interconnected feeding relationships in an ecosystem make up a food
interaction
network
chain
web
A word that means the same thing as consumer is
producer
heterotroph
autotroph
carbohydrate
Each of the following is an abiotic factor in the environment EXCEPT
plant life
rainfall
soil type
temperature
The figure above shows succession in an ecosystem. What organisms are found in the climax community for this ecosystem?
lichens and moss
weeds and grasses
trees and shrubs
volcanoes and soil
A symbiotic relationship in which both species benefit is
commensalism
predation
mutualism
parasitism
Primary succession would most likely occur after
a forest fire
farm land is abandoned
a lava flow
a severe storm
Which of the following is true about secondary consumers in an ecosystem?
they eat only plants
they are eaten by primary consumers
they are smaller and weaker than primary consumers
they are fewer in number than are primary consumers
All of the following statements about the diagram above are correct EXCEPT:
the grasshopper is an herbivore
only two trophic levels are depicted
the mouse and grasshopper are at the same trophic level
the grass is a producer
The organic and inorganic materials in all the organisms will eventually return to the environment by the action of
decomposers
producers
primary consumers
secondary consumers
Which of the following symbiotic relationships is considered parasitic?
tapeworm in an intestinal tract
bees transporting pollen from flowers
pilot fish swimming under sharks
birds eating the insects from the back of a hippopotomous
Ants and acacia trees have a mutualistic relationship because
they both benefit from living with each other
they are part of the same ecosystem
they are both adapted to a humid climate
the ants eat part of the acacia tree
What does symbiosis mean?
living separately, no relationship between 2 species
living together, close relationship between 2 species
living in a community with no interaction between each other
living together in fear of each other
What type of relationship is commensalism?
One species benefits and the other is not affected at all
Both species involved benefit from the relationship
One species benefits and the other is harmed
Competing for the same food source
A remora hitching a ride on the shark is an example of which symbiotic relationship?
predator/prey
predation
parasitism
commensalism
Several ticks are found on a dog. What type of symbiotic relationship is this?
mutualism
predation
parasitism
commensalism
A hawk soaring above a field hunting for a field mouse is an example of which relationship?
commensalism
mutualism
symbolism
predation
The crocodile and the bird is an example of which relationship?
commensalism
mutualism
symbolism
predation
The bacteria in our large intestine break down food that we consider waste. During this process, vitamins are released that we absorb into our bloodstream. This is an example of which symbiotic relationship?
parasitism
commensalism
competition
mutualism
Decomposers are usually
very hungry animals
bacteria and fungi
scavengers
If a disease strikes the snake population in the food chain shown, what will happen to the populations of hawks?
the population of hawks would decrease
the population of hawks would increase
the population of hawks would stay the same
Identify the predator of the frog.
ant
tadpole
lizard
snake
Which organism does the lizard consume (eat)?
Mark all that apply.
ant
grasshopper
snake
grass
Which of the following is a food chain located within the food web shown? (Trace the flow of energy to find the correct choice!)
carrots -> rabbits -> owls
grasses -> grasshoppers -> birds -> foxes
grains -> grasshoppers -> birds -> owls
grasses -> grasshoppers -> mice -> owls
In the food web diagram, which TWO organisms are ONLY secondary consumers?
rabbit, snake
hawk, grasshopper
lizard, snake
hawk, lizard
In the food web, the mouse and grasshopper are identified as
primary consumers
secondary consumers
top consumers
producers
