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WorksheetsEcology Final
Total questions: 40
Worksheet time: 40mins
Which of the following determines the carrying capacity of an ecosystem?
the most limited resources required for survival
the amount of disease affecting organisms in the ecosystem
the amount of rainfall the habitat receives
the number of predators in the area
Which of the following represent abiotic factors that affect an environment?
Fish, mangroves, and bacteria
Alligators, ferns, and cattails
Precipitation, wind, and soil type
Sunlight, mushrooms, and protists
An ecosystem needs both abiotic and biotic factors to survive
True
False
Producers are always at the __________ of a food chain
Beginning
Middle
End
Producers are not part of the food chain
What cycle are fossil fuels part of ?
carbon
oxygen
nitrogen
phosphorus
What source is responsible for moving water in the water cycle?
the sun
the ocean
the oraganisms
the atmosphere
What process is part of the hydrological (water) cycle?
transpiration
nitrification
combustion
sedimentation
One characteristic of a stable ecosystem is
a high number of predators
an interdependence of organisms
a lack of biodiversity
an increase in human interference
The burning of fossil fuels has harmed the environment by
decreasing acid rain in the northeast United States
adding carbon dioxide to the atmosphere
increasing biodiversity in the lakes and ponds of the Adirondack
depleting the ozone shield directly over western New York State
Many biotic factors affect individuals in a population. An example of an organism being directly affected by a biotic factor is
a squirrel cannot find a mate
a flood washes away a maple tree
a plant is in a dark room
a chipmunk finds a rock pile to use for a home
Which statement best describes what is most likely to occur if an animal population grows larger than the carrying capacity of its environment?
The birth rate will increase.
Both the birth rate and death rate will decrease.
The death rate will increase.
Neither the birth rate nor the death rate will decrease
Which level of the pyramid below is correctly paired with the type of organism that would most likely be found at that level in an ecosystem?
Level A - Producers
Level B - Carnivores
Level C - Herbivores
Level D - Decomposers
An energy pyramid represents the relative amount of energy in trophic levels. Which of the following correctly shows an example of one type of energy pyramid?
A
B
C
D
If it weren't for _______________ in our ecosystem,plants would not get essential nutrients, and dead matter and waste would pile up.
producers
consumers
predators
decomposers
What is global warming
the normal temperature fluctuations of Earth's climate cycle
the melting of the polar ice caps
the trend of increasing temperatures on Earth
the changes in Earth's biosphere that affect the atmosphere
this is known as a relationship in which one organism benefits, while the other is unaffected
parasitism
mutualism
predation
commensalism
this type of interaction is when one animal hunts and consumes another organism
competition
predation
decomposer
commensalism
a clownfish uses a sea anemone as a safe place to live. while the clownfish is benefitting from the sea anemone for protection, it is also luring in food for the anemone to eat. what type of relationship is this?
mutualism
commensalism
predation
parasitism
this type of relationship occurs when two organisms are "fighting" over a common resource (ex. mates, food, water, shelter)
competition
predation
commensalism
mutualism
which of the following organisms in the this image are NOT an herbivore?
grasshopper
rat
butterfly
fruit fly
which of the following organisms ultimately receives the LEAST amount of energy?
grasshopper
corn
wolf
eagle
the eagle only has arrows pointing towards it, and no arrows pointing away from it. why?
it makes its own food
they don't need energy
nothing eats it
they provide energy to other organisms
which of the following shows the levels of ecological organization in order from smallest to largest?
organism, population, community, ecosystem, biome
biome, ecosystem, community, population, organism
organism, community, ecosystem, biome, population
population, organism, community, ecosystem, biome
all of the living and nonliving factors in an area make up a(n) ______________.
organism
community
population
ecosystem
all of the living factors in an area that interact make up a(n) ____________________.
organism
community
population
ecosystem
Choose one of the following to explain in your own words: carbon cycle, water cycle, nitrogen cycle, or cellular respiration. Use the correct vocabulary and be thorough.
