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WorksheetsEcosystem and Human Influences on the Environment
Total questions: 40
Worksheet time: 25mins
A food chain and food web represents which level of the ecology model?
biome
ecosystem
community
population
What is almost always the first link (trophic level 1) in a food chain?
predator
producer
secondary consumer
primary consumer
Which food chain is correct?
a. Plant -> carnivore -> herbivore -> omnivore -> predator
b. Plant -> herbivore -> omnivore -> carnivore -> predator
c. Producer -> omnivore -> herbivore -> omnivore -> predator
d. Producer -> carnivore -> carnivore -> omnivore -> predator
A
B
C
D
How would you label the robin in the food chain below?
Oak tree → Caterpillar → Robin → Hawk
producer
secondary consumer
primary consumer
herbivore
Which is NOT a form of nitrogen found in the nitrogen cycle?
nitrates
nitrites
ammonia
carbonate
Which of the following is NOT an example of an abiotic factor?
sun
snow
temperature
microorganisms
Which of the following is NOT an example of the relationship between a parasite and it’s host?
Tapeworm living in a human stomach.
A flea attaching itself to a dog and feeding off it’s blood.
A mosquito biting a person during a camping trip.
Heartworms are known to infect a dog's heart and block the heart from pumping blood throughout the rest of its body.
Which pair shows the predator first and the prey second?
shrimp and shark
wolf and rabbit
fly and frog
mouse and cat
Producers in the food chain, use –
water to produce food from carbon dioxide in the air and water
light energy from the sun to produce food from carbon dioxide in the air and water
parasites to produce food.
light energy from the sun to produce food from carbon dioxide in the air and water
Which of the following is NOT an example of a decomposer?
termites
worms
fungi
algae
Which in the food chain is the decomposer?
worm
crab
salmon
shrimp
Two examples of a terrestrial ecosystem are
Forests and grasslands
Ocean and Saltwater
Ponds and Lakes.
Grasslands and Estuaries
The percentage of Nitrogen in the atmosphere
a. 21% c. 78%
b. 80% d. 79%
A
B
C
D
The process of nitrogen turning into Ammonia is
nitrification
ammonification
lightning
denitrification
All of the nitrogen cycle processes are performed by
decomposers
plants
animals
bacteria
Why is carbon such an important element?
carbon is a key element in producing electricity
without carbon the Sun would run out of energy
carbon is the central element to all living organisms
All of the above
Which part of the carbon cycle involves animals breathing in oxygen and out carbon dioxide?
combustion
respiration
photosynthesis
decay
Which part of the carbon cycle occurs when plants convert sunlight and C02 into oxygen and sugar?
combustion
decay
respiration
photosynthesis
Which part of the carbon cycle occurs when plants, trees, or fossil fuels are burned?
combustion
respiration
photosynthesis
decay
How has man influenced the carbon cycle and increased the amount of carbon in the atmosphere?
burning oil
burning coal
cutting down trees
all of the above
What does biodiversity mean?
the number of different species in an area
the number of animals in an area
the population of an area
the area inhabited by living things
The greenhouse effect is best described as
An unnatural phenomenon that prevents water from evaporating into the atmosphere
An unnatural phenomenon that causes heat energy to be radiated back into the atmosphere
A natural phenomenon that provides asteroids from coming into contact with the earth
A natural phenomenon on all planets in our galaxy
Combustion of fossil fuels releases which of the following greenhouse gases into the atmosphere?
nitrous oxide
dihydrogen monoxide
carbonic acid
carbon dioxide
Which of the following is NOT a benefit of biodiversity conservation?
combating climate change
protecting individual species
preserving habitats & ecosystems
making sure local people benefit from conservation efforts
The measure of human impact on the biosphere is best described as
polar vortex
ecological footprint
ozone disapparation
natural disaster formation
Using resources in ways that preserve ecosystem services is known as
monoculturism
biodiversity
sustainable development
common sense
A nonrenewable resource, like coal, is a resource that...
can be produced or replaced by a healthy ecosystem
cannot be produced or replaced in a reasonable time
was innovated by men
has low resilience to human impact on the environment
The two (2) main biological features of a habitat are food availability and ______________________________.
the people that fix the food
food preparation
food processing
predator-prey relationships
Deforestation can lead to another Ecosystem impact called __________________________ which is the spread of dry, unproductive landscapes.
Desertification
DemonSlayer
Dinosaurification
DungeonsAndDragons
Many animals, including the sloth, become trapped in urban settings because ______________________________________.
other animals surround them
trees are cut down to make way for houses
there is no food
zoos need more animals
What is one way to save the rainforest?
Calculating how much money could be made by selling animals to zoos across the world.
Farm it.
Calculating their value environmentally.
Turn it into a theme park.
