ENVS 1126 Exam #1 Johnson
What is the exam make up policy? - ANS-Make up exam dates are November 16th & 17th in
Himes Hall or paid online proctored exam.
What is the homework make up policy? - ANS-All homework will be re opened on a certain date.
But you will only receive 1.5 credit.
How many seconds are in a nanosecond? - ANS-1 nanosecond = 10^-9
Describe the Dust Bowl - ANS--1930-1936
-caused by severe drought, soil erosion, and lack of crop rotation
-caused a major ecological damage
*-yard of weeds > yard of soil
Under what circumstances might it be hard to describe a species? - ANS--when two different
species produce offspring that should not be fertile
-or when they are asexual
What is the difference between (1)population growth, (2)population growth rate, and (3)total
fertility rate? - ANS-1) total net number of people added
2) total number of people added divided by total mid year population
3) average number of children women have in their life time
Generally speaking, what is the main difference between photosynthesis and cellular
respiration? - ANS--photosynthesis- taking carbon dioxide (CO2) and converting it to sugar.
-cellular respiration- converting sugar to energy.
Define and give an example of a hetrograph - ANS--an organism that requires other plants and
animals for their food source.
-ex: people, fish, etc.
I have a basset hound and a German Shepard who think they are lap dogs and always fight for
my attention. I have to compromise and let one sit on the right side of my lap and one on the left
side. The fighting they have is called _______ and the compromise they make is called ______.
- ANS--intraspecies competition
-resource partitioning
What are the five main interactions between organisms? - ANS-1) Predatation (+ -)
2) Competition (- -)
3) Mutualism (+ +)
4) Commensalism (+ 0)
, 5) Amensalism (- 0)
What kind of lighting did the Trashers use and why? - ANS--LED lighting because it used 1/10
less energy than normal incandescent light bulbs
Why is the raw sewage brown in the recycling video we watched in class? - ANS--It contained
decomposing organic material
Name and describe the three revolutions - ANS-1) The Industrial Revolution: vast improvements
in technology and industry.
2) The Medical Revolution: the invention of immunizations and other advances in medicine
which helped cure diseases and plagues.
3) The Green Revolution: advances in farming such as cross pollination and pesticides which
resulted in more and better crops.
What do the letters in the equation I=PAT stand for? - ANS--I = environmental impact
-P = population
-A = affluence
-T = technology
Describe two way in which humans are changing the nutrient cycles - ANS-1) cutting down trees
2) farming and fertilizing/pesticides
What does CFSI stand for? - ANS--C = conversion
-F = fragmentation
-S = simplification
-I = intrusion
Describe each letter in CFSI - ANS--C -border of Haiti and the Dominican republic
-F -neighborhoods, interstates, etc.
-S -humans simplifying habitats
-I -building of human structures
What does HIPPO stand for? - ANS--H = Habitat Destruction
-I = Invasive Species
-P = Pollution
-P = Population
-O = Overexploitation
What is the biggest threat to the decline of biodiversity? - ANS-habitat destruction
What are three reasons why biodiversity matters? - ANS-1) ecotourism
2) recreational value
3) scientific discovery
What is the exam make up policy? - ANS-Make up exam dates are November 16th & 17th in
Himes Hall or paid online proctored exam.
What is the homework make up policy? - ANS-All homework will be re opened on a certain date.
But you will only receive 1.5 credit.
How many seconds are in a nanosecond? - ANS-1 nanosecond = 10^-9
Describe the Dust Bowl - ANS--1930-1936
-caused by severe drought, soil erosion, and lack of crop rotation
-caused a major ecological damage
*-yard of weeds > yard of soil
Under what circumstances might it be hard to describe a species? - ANS--when two different
species produce offspring that should not be fertile
-or when they are asexual
What is the difference between (1)population growth, (2)population growth rate, and (3)total
fertility rate? - ANS-1) total net number of people added
2) total number of people added divided by total mid year population
3) average number of children women have in their life time
Generally speaking, what is the main difference between photosynthesis and cellular
respiration? - ANS--photosynthesis- taking carbon dioxide (CO2) and converting it to sugar.
-cellular respiration- converting sugar to energy.
Define and give an example of a hetrograph - ANS--an organism that requires other plants and
animals for their food source.
-ex: people, fish, etc.
I have a basset hound and a German Shepard who think they are lap dogs and always fight for
my attention. I have to compromise and let one sit on the right side of my lap and one on the left
side. The fighting they have is called _______ and the compromise they make is called ______.
- ANS--intraspecies competition
-resource partitioning
What are the five main interactions between organisms? - ANS-1) Predatation (+ -)
2) Competition (- -)
3) Mutualism (+ +)
4) Commensalism (+ 0)
, 5) Amensalism (- 0)
What kind of lighting did the Trashers use and why? - ANS--LED lighting because it used 1/10
less energy than normal incandescent light bulbs
Why is the raw sewage brown in the recycling video we watched in class? - ANS--It contained
decomposing organic material
Name and describe the three revolutions - ANS-1) The Industrial Revolution: vast improvements
in technology and industry.
2) The Medical Revolution: the invention of immunizations and other advances in medicine
which helped cure diseases and plagues.
3) The Green Revolution: advances in farming such as cross pollination and pesticides which
resulted in more and better crops.
What do the letters in the equation I=PAT stand for? - ANS--I = environmental impact
-P = population
-A = affluence
-T = technology
Describe two way in which humans are changing the nutrient cycles - ANS-1) cutting down trees
2) farming and fertilizing/pesticides
What does CFSI stand for? - ANS--C = conversion
-F = fragmentation
-S = simplification
-I = intrusion
Describe each letter in CFSI - ANS--C -border of Haiti and the Dominican republic
-F -neighborhoods, interstates, etc.
-S -humans simplifying habitats
-I -building of human structures
What does HIPPO stand for? - ANS--H = Habitat Destruction
-I = Invasive Species
-P = Pollution
-P = Population
-O = Overexploitation
What is the biggest threat to the decline of biodiversity? - ANS-habitat destruction
What are three reasons why biodiversity matters? - ANS-1) ecotourism
2) recreational value
3) scientific discovery
