ENVS 1126 - MIDTERM EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026
chapter 5 : Terrestrial biomes are groups of ecosystems characterized by similar types of - Answers
plants and climate
Chapter 10 Which of the following reasons explains why most farmers in the United States do not
irrigate their crops via drip irrigation - Answers Irrigation water is cheap, and initial installation costs
are high
chapter 7 : Most deforestation is the result of _______________ . - Answers Conversion of forests
into argiculural land for growing crops and pasturing animals
chapter 2 : Taxol, which is used to treat lung, ovarian, and breast cancer, head and neck cancer, and
advanced forms of Kaposi's sarcoma, was originally isolated from _____________________ . -
Answers the bark of the Pacific yew tree
Biologically available nitrogen can be added to aquatic systems - Answers By nitrogen fixation and lost
by either anammox or denitrification
chapter 7 : Which one of the following species of whales is currently being taken in small numbers
each year by Alaskan Eskimos? - Answers bowhead
chapter 3: Ecologist Eckhard wants to stop the algal blooms in City Park Lake by reducing the inputs of
essential nutrients to the lake from stormwater runoff. Which one of the following strategies would
have the least effect on the algal blooms? - Answers remove all the carbon dioxide from the
stormwater runoff
chapter 9 : The United States and China have virtually identical fertility rates (1.7) and median ages
(38.35). How, then, would you account for the fact that the population of China is projected to
decrease between now and the end of this century, whereas the population of the United States is
projected to increase? - Answers Immigration into the United States
chapter 6 : The three crops that account for about 50% of global food demands are - Answers rice,
wheat, and corn
chapter 1 : The 1854 cholera outbreak near Broad Street in London came to an end when - Answers
The handle was removed from the Broad Street pump
chapter 7 : Overfishing for which one of the following fish on the Grand Banks and Georges Bank
resulted in the collapse of the fisheries during the period from 1980 to 2000? - Answers Cod
Which one of the following is not involved in maintaining population equilibrium? - Answers Drought
chapter 12 Which one of the following sources of calories in the human diet requires the greatest
amount of land per calorie to produce? - Answers beef
chapter 5 : The ecological efficiency in a food chain is 15%. A pollutant (X) is transferred from one
trophic level to the next with an efficiency of 45%. The concentration of X on trophic level 3 is 18 ppm.
What is the concentration of X on trophic level 1? - Answers 2
The nutrients that support plant growth in natural terrestrial ecosystems are supplied mainly by -
Answers break down of detritus
Which one of the following statements is not true about the Grameen Bank? - Answers The loans
have been found to have the greatest social benefits when foced on men
chapter 5 : Which one of the following is not one of the three main trophic categories? - Answers
transformer
chapter 2 : Which one of the following is not one of the three major components of a nation's capital
that determines its wealth? - Answers financial capital
Commensalism is an example of - Answers Symbiosis
chapter 1 : Which one of the following statements is not one of the four basic assumptions of the
scientific method? - Answers energy can neither be created nor destroyed
chapter 8 : Which one of the following statements is not true? - Answers Since 1960, the percentage
of people living in high-income countries has increased
The process by which water vapor passes through stomata from plants to the atmosphere is called -
Answers evaportranspiration
chapter 10 Which one of the following contains the most liquid freshwater? - Answers aquifers
chapter 6 : Decimation of the stocks of cod fish off the east coast of Canada by Canadian fishermen is
an example of which one of the letters of the acronym HIPPO? - Answers O
chapter 3 : Which one of the following accounts for the fact that the abundance of mangroves along
the Louisiana coast has increased dramatically in the last 20 years? - Answers warmer winters
chapter 5 : Terrestrial biomes are groups of ecosystems characterized by similar types of - Answers
plants and climate
Chapter 10 Which of the following reasons explains why most farmers in the United States do not
irrigate their crops via drip irrigation - Answers Irrigation water is cheap, and initial installation costs
are high
chapter 7 : Most deforestation is the result of _______________ . - Answers Conversion of forests
into argiculural land for growing crops and pasturing animals
chapter 2 : Taxol, which is used to treat lung, ovarian, and breast cancer, head and neck cancer, and
advanced forms of Kaposi's sarcoma, was originally isolated from _____________________ . -
Answers the bark of the Pacific yew tree
Biologically available nitrogen can be added to aquatic systems - Answers By nitrogen fixation and lost
by either anammox or denitrification
chapter 7 : Which one of the following species of whales is currently being taken in small numbers
each year by Alaskan Eskimos? - Answers bowhead
chapter 3: Ecologist Eckhard wants to stop the algal blooms in City Park Lake by reducing the inputs of
essential nutrients to the lake from stormwater runoff. Which one of the following strategies would
have the least effect on the algal blooms? - Answers remove all the carbon dioxide from the
stormwater runoff
chapter 9 : The United States and China have virtually identical fertility rates (1.7) and median ages
(38.35). How, then, would you account for the fact that the population of China is projected to
decrease between now and the end of this century, whereas the population of the United States is
projected to increase? - Answers Immigration into the United States
chapter 6 : The three crops that account for about 50% of global food demands are - Answers rice,
wheat, and corn
chapter 1 : The 1854 cholera outbreak near Broad Street in London came to an end when - Answers
The handle was removed from the Broad Street pump
chapter 7 : Overfishing for which one of the following fish on the Grand Banks and Georges Bank
resulted in the collapse of the fisheries during the period from 1980 to 2000? - Answers Cod
Which one of the following is not involved in maintaining population equilibrium? - Answers Drought
chapter 12 Which one of the following sources of calories in the human diet requires the greatest
amount of land per calorie to produce? - Answers beef
chapter 5 : The ecological efficiency in a food chain is 15%. A pollutant (X) is transferred from one
trophic level to the next with an efficiency of 45%. The concentration of X on trophic level 3 is 18 ppm.
What is the concentration of X on trophic level 1? - Answers 2
The nutrients that support plant growth in natural terrestrial ecosystems are supplied mainly by -
Answers break down of detritus
Which one of the following statements is not true about the Grameen Bank? - Answers The loans
have been found to have the greatest social benefits when foced on men
chapter 5 : Which one of the following is not one of the three main trophic categories? - Answers
transformer
chapter 2 : Which one of the following is not one of the three major components of a nation's capital
that determines its wealth? - Answers financial capital
Commensalism is an example of - Answers Symbiosis
chapter 1 : Which one of the following statements is not one of the four basic assumptions of the
scientific method? - Answers energy can neither be created nor destroyed
chapter 8 : Which one of the following statements is not true? - Answers Since 1960, the percentage
of people living in high-income countries has increased
The process by which water vapor passes through stomata from plants to the atmosphere is called -
Answers evaportranspiration
chapter 10 Which one of the following contains the most liquid freshwater? - Answers aquifers
chapter 6 : Decimation of the stocks of cod fish off the east coast of Canada by Canadian fishermen is
an example of which one of the letters of the acronym HIPPO? - Answers O
chapter 3 : Which one of the following accounts for the fact that the abundance of mangroves along
the Louisiana coast has increased dramatically in the last 20 years? - Answers warmer winters
