URI NRS 100 EXAM 1 QUESTIONS & ANSWERS
What is the World population in 2015? - Answers :7 billion
Currently, what country has the highest birth rate? - Answers :Ethiopia
Currently, what country uses more natural resources per capita? - Answers :United
States
What is a Carbon Footprint? - Answers :A carbon foot print is an estimate of the total
amount of greenhouse gasses released by the activities of individuals, populations,
organizations or processes.
Are we using the planets natural resources in a sustainable or non-sustainable way? -
Answers :Non-sustainable
What is the current average concentration of CO2 in the atmosphere (ppm)? - Answers
:400ppm
What is the Greenhouse effect? - Answers :The greenhouse effect is the process by
which radiation from a planets atmosphere warms the planets surface to a temperature
above what is would be in the absence of its atmosphere.
What percent of the earths surface is composed of water, and what percent is land? -
Answers :70% water, 30% land.
What percent of the earths water is fresh and what percent is salt water? - Answers
:97.5% is salt water and 2.5% is fresh water.
what percent of the earths land surface is suitable for growing food crops? - Answers
:10.8% arable land
Using normally renewable resources faster than nature can renew them is called _____.
- Answers :degrading natural capital
More developed countries comprise _____. - Answers :17% of the world's population
All nonrenewable resources can theoretically be ____. - Answers :exhausted or
depleted
T or F. The three overarching themes relating to the long-term sustainability of life on
this planet are solar energy, biodiversity, and chemical cycling. - Answers :True.
Each of the three major cultural revolutions has allowed _____. - Answers :expansion of
the human population.
, High quality energy is constantly ____. - Answers :becoming low quality energy
What is the term for the portion of the earth's atmosphere, hydrosphere, and geosphere
where life is found? - Answers :biosphere
Ecology is the study of ____. - Answers :how organisms interact with each other and
the nonliving environment
Each trophic level in a food chain or food web contains a certain amount of organic
matter, called ____. - Answers :biomass
True or False, the transfer of energy through food chains or webs is very efficient,
making a lot of energy available to organisms. - Answers :False.
Which of the following is least associated with biodiversity?
a.functional diversity
b.genetic diversity
c.geological diversity
d.ecological diversity
e.species diversity - Answers :c.geological diversity
The four components of biodiversity increase the ____ of ecosystems and increase the
resistance of ecosystems to harmful invasive species. - Answers :stability
The earth has sustained life for ____ years - Answers :3.5 billion
Mass extinctions, with 25 - 95% of species going extinct, have occurred how many
times in the history of the earth? - Answers :3-5
The loss of a(n) ____ can lead to population crashes and extinctions of other species in
a community that depends on them for certain ecosystem services. - Answers :keystone
species
What are the major causes of environmental problems? - Answers :population growth,
unsustainable resource use, poverty,, avoidence of full-cost pricing, increse isolation
from nature.
what are the 6 steps in the scientific method? - Answers :1. identify problem
2. find out what is known
3. propose scientific hypothesis
4. design an experiment
5. preform an experiment
6. peer review, publish
what is the Hubbard Brook Experimental Forest in New Hampshire? and how long have
they been here? - Answers :It is a forest where they are studying the effects of
What is the World population in 2015? - Answers :7 billion
Currently, what country has the highest birth rate? - Answers :Ethiopia
Currently, what country uses more natural resources per capita? - Answers :United
States
What is a Carbon Footprint? - Answers :A carbon foot print is an estimate of the total
amount of greenhouse gasses released by the activities of individuals, populations,
organizations or processes.
Are we using the planets natural resources in a sustainable or non-sustainable way? -
Answers :Non-sustainable
What is the current average concentration of CO2 in the atmosphere (ppm)? - Answers
:400ppm
What is the Greenhouse effect? - Answers :The greenhouse effect is the process by
which radiation from a planets atmosphere warms the planets surface to a temperature
above what is would be in the absence of its atmosphere.
What percent of the earths surface is composed of water, and what percent is land? -
Answers :70% water, 30% land.
What percent of the earths water is fresh and what percent is salt water? - Answers
:97.5% is salt water and 2.5% is fresh water.
what percent of the earths land surface is suitable for growing food crops? - Answers
:10.8% arable land
Using normally renewable resources faster than nature can renew them is called _____.
- Answers :degrading natural capital
More developed countries comprise _____. - Answers :17% of the world's population
All nonrenewable resources can theoretically be ____. - Answers :exhausted or
depleted
T or F. The three overarching themes relating to the long-term sustainability of life on
this planet are solar energy, biodiversity, and chemical cycling. - Answers :True.
Each of the three major cultural revolutions has allowed _____. - Answers :expansion of
the human population.
, High quality energy is constantly ____. - Answers :becoming low quality energy
What is the term for the portion of the earth's atmosphere, hydrosphere, and geosphere
where life is found? - Answers :biosphere
Ecology is the study of ____. - Answers :how organisms interact with each other and
the nonliving environment
Each trophic level in a food chain or food web contains a certain amount of organic
matter, called ____. - Answers :biomass
True or False, the transfer of energy through food chains or webs is very efficient,
making a lot of energy available to organisms. - Answers :False.
Which of the following is least associated with biodiversity?
a.functional diversity
b.genetic diversity
c.geological diversity
d.ecological diversity
e.species diversity - Answers :c.geological diversity
The four components of biodiversity increase the ____ of ecosystems and increase the
resistance of ecosystems to harmful invasive species. - Answers :stability
The earth has sustained life for ____ years - Answers :3.5 billion
Mass extinctions, with 25 - 95% of species going extinct, have occurred how many
times in the history of the earth? - Answers :3-5
The loss of a(n) ____ can lead to population crashes and extinctions of other species in
a community that depends on them for certain ecosystem services. - Answers :keystone
species
What are the major causes of environmental problems? - Answers :population growth,
unsustainable resource use, poverty,, avoidence of full-cost pricing, increse isolation
from nature.
what are the 6 steps in the scientific method? - Answers :1. identify problem
2. find out what is known
3. propose scientific hypothesis
4. design an experiment
5. preform an experiment
6. peer review, publish
what is the Hubbard Brook Experimental Forest in New Hampshire? and how long have
they been here? - Answers :It is a forest where they are studying the effects of
