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WorksheetsEcology Key Question/Topics 2025
Total questions: 34
Worksheet time: 16mins
What is DDT?
A step in the writing process
A chemical that helps insects
A colorless/odorless chemical pesticide
A parasite that causes malaria
Carson published her fourth book on nature, "Silent Spring" in ______. This controversial text led to the U.S. ban on DDT in ______.
1939; 1962
1962; 1972
1993; 2007
1972; 1962
What are some consequences of DDT use? (Check all that apply)
DDT builds up in ecosystems effecting plant and animal life
DDT causes birds to lay fragile eggs that break
DDT causes malaria
DDT could cause cancer
High exposure to DDT could cause infertility and/or birth defects
Which claim is BEST SUPPORTED by the following reasoning?
Reasoning: DDT has already proven to harm humans in the same ways it has harmed some animal populations, and if not monitored could potentially lead to extinction.
DDT should not be used to combat infectious diseases, because...
DDT is one of the greatest chemical threats to life on earth, because...
Despite the risks DDT must be considered as the most effective weapon against malaria, because...
What organisms end up with the highest levels of mercury?
Which organism in the food web shown to the right would
contain the lowest concentration of chemical pollutants?
producers
primary consumers
secondary consumers
tertiary consumers
The phenomenon by which toxins concentrate in the organisms at higher trophic levels within an ecosystem is known as...
Biotoxicity
Biomagnification
Eutrophication
Predation
Consider the following food chain:
Algae > Mayfly > Minnow > Trout
In a polluted ecosystem, which organism would likely have the HIGHEST level of toxic chemicals in its body?
Algae
Mayfly
Minnow
Trout
What is a common cause of lead poisoning?
Ingesting paint used in older homes
Drinking water from areas having basic soils
Frequent use of lead pencils
Eating foods with lots of calcium and phosphorus
Which problem is most associated with children having high lead levels?
abnormally fast growth rates
high blood sugar levels
difficulty paying attention in school
increased thirst and urination
Which group of individuals are most at risk for lead poisoning?
People living in rural communities
People living in urban communities
People living in houses with plastic water pipes
People living in housing built before 1978
Which statement best describes the effects of lead poisoning?
They are not as serious as they were thought to be ten years ago.
These effects can be completely reversed with proper medical care.
Lead poisoning is a problem for toddlers, not older children or adults.
The effects of lead poisoning are often permanent.
Lead ions are the same charge and atomic radius of which of the following?
ATP
Magnesium
Carbon
Calcium
Mercury Ions are the same size as which of the following in the body?
ATP
GTP
Calcium
Magnesium
What is happening at LaSalle park in the summer of 2022?
Removal of contaminated ground water
Removal of lead contaminated soil
Monitoring of ground water using new wells dug for testing
Removal of waste from unlined Uniroyal Landfill
Which is the 2nd most common use of corn in Indiana?
Food for livestock
Ethanol production
High Fructose Corn Syrup
Popcorn
Which is the 1st most common use of corn in Indiana?
Food for livestock
Ethanol production
High Fructose Corn Syrup
Popcorn
Why is BPA not a great chemical to have in plastics?
It can leach into food or water and mimic hormones in the body.
It can leach into food and water and mimic calcium to cause bone damage
It can leach into food and water and cause neuron damage
It can trap in heat and cause the greenhouse effect.
Click on the renewable resources...
Solar power
Natural Gas
Wind Power
Nuclear Power
Superfund sites are...
Environmentally pristine areas that have always been protected, like National Parks.
Typical urban spaces with moderate pollution levels
Areas where pollutants are above allowable limits and efforts for containment exist
Areas that are at risk of contamination and have a history of being more clean
Why is rat poison banned in California?
Californians love rats
the poison concentrates up the food chain and kills owls, bobcats, and hawks
the poison leaks into groundwater causing superfund sites based on skin irritation
people were overdosing on rat poison at parties
Populations are of _______, Communities are of _______, and Ecosystems consist of ______________
one species in an area, all species in an area, living and non-living factors in an area.
all species in an area, one species in an area, living and non-living factors in an area.
two species in an area, three species in an area, living factors in an area.
All these terms are interchangeable.
_____ fertilizer is made via the Haber process by converting air into a more useful form
Nitrogen
Potassium
Carbon
Phosphorus
_____ fertilizer is mined in open pits from areas like Aurora, NC.
Nitrogen
Potassium
Carbon
Phosphorus
Farmer A has crops and fertilizes 10 ft. from the river. Farmer B has crops and fertilizes 100 ft. from the river. Which farmer is has a lower impact on algal blooms and dead zones?
Farmer A
Farmer B
Which of the following sources of phosphorous could be controlled?
Leaching from the soil
Weathering of rocks
Run off from farmland
Which of the mussel species was outcompeting the other?
Zebra
Quagga
Which of the two mussels is a Quagga?
A
B.
What is primary reason we use lampricide to kill lamprey?
They threaten swimmers by sucking their blood
They prey on popular fish populations
They spread disease between fish
They reduce the available oxygen for fish to use.
Coral reefs are an example of...
ecosystem
community
population
all of the above
Lead ions have a radius of 110 pm. What is the approximate radius of calcium ions?
110
200
160
80
What happened at Galen Myers Dump from 1970-1983?
The Galen Myers Dump was a landfill for a rubber company from 1970 to 1983.
It was contaminated with materials from metal barrels 1970 to 1983.
The Galen Myers Dump was the site of lead pollution from a city landfill from 1970 to 1983.
What has been at the Love Canal in New York since 1980?
