HWE Exam 1 Questions with Correct Answers Fully Solved
What are provisioning services? - Answers Ecosystem services that describe the material or energy
outputs from ecosystems
examples of provisioning services - Answers -food
-drinking water
-timber
-wood fuel
-natural gas
-oils
-plants that can be made into clothes and other materials
-medical benefits
What are regulating services? - Answers the benefits obtained from the regulation of ecosystem
processes
examples of regulating services - Answers -pollination
-decomposition
-water purification
-erosion/flood control
-carbon storage
-climate regulation
What are cultural services? - Answers -the non-material benefits people obtain from ecosystems
-ecosystems play a role in local, national, and global cultures
-building of knowledge + spreading ideas
-creativity born from interactions with nature
-recreation
What are supporting services? - Answers Ecosystem services that are necessary for all other ecosystem
services
Examples of supporting services - Answers -photosynthesis
,-nutrient cycling
-the creations of soils
-water cycle
Cod in Newfoundland - Answers increased in the 50s and 60, decreased in the 90s
Why did the cod in Newfoundland decrease? - Answers -cod sensitive to water
What did they do about the cod in Newfoundland? - Answers -restricted fishing to rebuild stocks +
regulation to prevent more drops in cod
Ecosystem - Answers -seeks homeostasis
-capacity to absorb water
-replenish soul
-can be overloaded/exploited
The ecosystem is more stable if what? - Answers If species do not eliminate others
Resource sustainability regulation - Answers -our common future
-world commission on environment + development
-(brutland commission 1987)
-agenda 21 signed in rio de janeiro (1992)
Tragedy of the commons - Answers saving + restraining shared resources for the sake of the future
What is the greenpeace testing? - Answers Tested clothing for chemicals and found phthalates, NPE's,
and cancer causing amines
What was found in the Greenpeace testing? - Answers -in 4 garments they found toxic phthalates
-in 89 garments they found NPEs
-in 2 items they found caner causing amines from the use of azo dyes
What are phthalates? - Answers a salt or ester of phthalic acid
What are NPA's? - Answers nnylphemol ethoxylatese
- industrial surfacants
-consumer products (laundry detergent)
, - endocrine disruptors
What do surfactants do? - Answers reduce surface tension
What is BPA? - Answers -Bisphenol A
-endocrine disruptor
-other BP in plastic can act similar
Cell phone toxicity - Answers -contains mercury, lead, chlorine, bromine
-dangerous to health especially those involved in disposal (people in developing countries are burning
them)
Human Developmental Toxicants
(drugs/chemicals) - Answers -cigarette smoke
-cocaine
Human Developmental Toxicants
(maternal metabloc imbalances) - Answers -alcoholism
-diabetes
-folic acid deficiency
Human Developmental Toxicants
(infections + biological agents) - Answers -herpes
-zika
-endotoxin
History of Toxicology - Answers poisons were used for hunting, warfare, and assassinations
(animal venoms)
(plant extracts)
Toxicon - Answers greek for "poison for arrows"
(socrates was executed with hemlock)
1400: toxicology - Answers Guilia tiffany from Italy, sold poison to kill husbands
What are provisioning services? - Answers Ecosystem services that describe the material or energy
outputs from ecosystems
examples of provisioning services - Answers -food
-drinking water
-timber
-wood fuel
-natural gas
-oils
-plants that can be made into clothes and other materials
-medical benefits
What are regulating services? - Answers the benefits obtained from the regulation of ecosystem
processes
examples of regulating services - Answers -pollination
-decomposition
-water purification
-erosion/flood control
-carbon storage
-climate regulation
What are cultural services? - Answers -the non-material benefits people obtain from ecosystems
-ecosystems play a role in local, national, and global cultures
-building of knowledge + spreading ideas
-creativity born from interactions with nature
-recreation
What are supporting services? - Answers Ecosystem services that are necessary for all other ecosystem
services
Examples of supporting services - Answers -photosynthesis
,-nutrient cycling
-the creations of soils
-water cycle
Cod in Newfoundland - Answers increased in the 50s and 60, decreased in the 90s
Why did the cod in Newfoundland decrease? - Answers -cod sensitive to water
What did they do about the cod in Newfoundland? - Answers -restricted fishing to rebuild stocks +
regulation to prevent more drops in cod
Ecosystem - Answers -seeks homeostasis
-capacity to absorb water
-replenish soul
-can be overloaded/exploited
The ecosystem is more stable if what? - Answers If species do not eliminate others
Resource sustainability regulation - Answers -our common future
-world commission on environment + development
-(brutland commission 1987)
-agenda 21 signed in rio de janeiro (1992)
Tragedy of the commons - Answers saving + restraining shared resources for the sake of the future
What is the greenpeace testing? - Answers Tested clothing for chemicals and found phthalates, NPE's,
and cancer causing amines
What was found in the Greenpeace testing? - Answers -in 4 garments they found toxic phthalates
-in 89 garments they found NPEs
-in 2 items they found caner causing amines from the use of azo dyes
What are phthalates? - Answers a salt or ester of phthalic acid
What are NPA's? - Answers nnylphemol ethoxylatese
- industrial surfacants
-consumer products (laundry detergent)
, - endocrine disruptors
What do surfactants do? - Answers reduce surface tension
What is BPA? - Answers -Bisphenol A
-endocrine disruptor
-other BP in plastic can act similar
Cell phone toxicity - Answers -contains mercury, lead, chlorine, bromine
-dangerous to health especially those involved in disposal (people in developing countries are burning
them)
Human Developmental Toxicants
(drugs/chemicals) - Answers -cigarette smoke
-cocaine
Human Developmental Toxicants
(maternal metabloc imbalances) - Answers -alcoholism
-diabetes
-folic acid deficiency
Human Developmental Toxicants
(infections + biological agents) - Answers -herpes
-zika
-endotoxin
History of Toxicology - Answers poisons were used for hunting, warfare, and assassinations
(animal venoms)
(plant extracts)
Toxicon - Answers greek for "poison for arrows"
(socrates was executed with hemlock)
1400: toxicology - Answers Guilia tiffany from Italy, sold poison to kill husbands
