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In the very distant past, most people PowerPoint PPT Presentation


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In the very distant past, most people. lived in small groups. lived in permanent settlements. did not gather plants. did not hunt animals. Imported plants in Hawaii have. crowded out many native species. reduced the native bird species. introduced diseases. depleted natural resources.

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In the very distant past, most people

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In the very distant past most people l.jpg

In the very distant past, most people

  • lived in small groups.

  • lived in permanent settlements.

  • did not gather plants.

  • did not hunt animals.


Imported plants in hawaii have l.jpg

Imported plants in Hawaii have

  • crowded out many native species.

  • reduced the native bird species.

  • introduced diseases.

  • depleted natural resources.


The americans europeans and asians who settled in the islands of hawaii changed the islands by l.jpg

The Americans, Europeans, and Asians who settled in the islands of Hawaii changed the islands by

  • clearing vast areas for the growth of sugar cane.

  • using large amounts of water.

  • introducing nonnative crop plants.

  • all of the above


Early hunters and gatherers in north america may have been responsible for l.jpg

Early hunters and gatherers in North America may have been responsible for

  • natural plant and animal populations.

  • a major extinction event of large animals.

  • producing new varieties of crops.

  • inventing technology such as manufactured tools.


Which has become the most important source of environmental change on earth l.jpg

Which has become the most important source of environmental change on Earth?

  • climate

  • energy

  • human activity

  • conservation biology


An environmental problem that resulted from the green revolution was l.jpg

An environmental problem that resulted from the green revolution was

  • overpopulation.

  • failed crops.

  • starvation.

  • depleted water supplies.


Land is a resource that provides l.jpg

Land is a resource that provides

  • space for cities and suburbs.

  • raw materials for industry.

  • soil for growing crops.

  • all of the above


An old growth forest is l.jpg

An old-growth forest is

  • a renewable resource.

  • a nonrenewable resource.

  • a microclimate.

  • poor in biodiversity.


Slide9 l.jpg

A resource, such as air or parts of the oceans, that is open to anyone is often preserved and protected by

  • international organizations.

  • everyone.

  • the country in which it is located.

  • no one.


Why are fossil fuels nonrenewable l.jpg

Why are fossil fuels nonrenewable?

  • They require hundreds of millions of years to form.

  • Their ecosystems change forever when they are burned.

  • They are converted to carbon dioxide when they are burned.

  • They exist in a very small supply.


Using renewable resources while ensuring that they are not depleted is a practice called l.jpg

Using renewable resources while ensuring that they are not depleted is a practice called

  • sustainable development.

  • monoculture.

  • biological magnification.

  • subsistence hunting.


An example of a sustainable development practice is the use of beneficial insects like ladybugs to l.jpg

An example of a sustainable-development practice is the use of beneficial insects like ladybugs to

  • harm natural resources.

  • pollinate plants.

  • control unwanted pests.

  • eat unwanted plants.


What concept should be practiced to live interdependently with nature s systems l.jpg

What concept should be practiced to live interdependently with nature’s systems?

  • aquaculture

  • recycling

  • subsistence hunting

  • sustainable development


The sulfur and nitrogen compounds in smog combine with water to form l.jpg

The sulfur and nitrogen compounds in smog combine with water to form

  • ozone.

  • ammonia.

  • acid rain.

  • chlorofluorocarbons.


Slide15 l.jpg

Of the following events, the last to occur when toxic chemicals are discarded into a stream is that the chemicals

  • pose a threat to human health.

  • enter the food chain.

  • are carried into a lake.

  • harm aquatic plants and animals.


Slide16 l.jpg

When erosion and other factors cause soil to lose its ability to hold water and other nutrients and to support plant life, it is called

  • desertification.

  • depletion.

  • deforestation.

  • monoculture.


Slide17 l.jpg

Which of the following is NOT considered a sustainable-development strategy for management of Earth’s resources?

  • contour plowing

  • desertification

  • aquaculture

  • drip irrigation


The wearing away of surface soil by water and wind is known as l.jpg

The wearing away of surface soil by water and wind is known as

  • deforestation.

  • desertification.

  • overgrazing.

  • soil erosion.


Farmers can reduce soil erosion by l.jpg

Farmers can reduce soil erosion by

  • increasing irrigation.

  • contour plowing.

  • grazing cattle on the land.

  • plowing up roots.


Which is a way to limit deforestation l.jpg

Which is a way to limit deforestation?

  • use more wood products

  • plant and harvest trees on tree farms

  • increase carbon dioxide levels

  • fertilize the soil


The number of different species in the biosphere is called l.jpg

The number of different species in the biosphere is called

  • biodiversity.

  • ecosystem diversity.

  • genetic diversity.

  • species diversity.


Biodiversity is important to human society because it l.jpg

Biodiversity is important to human society because it

  • is a natural resource.

  • provides food and goods.

  • provides medicines.

  • all of the above


The sum total of the genetically based variety of living organisms in the biosphere is called l.jpg

The sum total of the genetically based variety of living organisms in the biosphere is called

  • species diversity.

  • sustainable development.

  • biodiversity.

  • conservation biology.


Biodiversity is valuable in the biosphere because it l.jpg

Biodiversity is valuable in the biosphere because it

  • gives us interesting things to look at.

  • tells us about many other species.

  • is the biological life-support system of our planet.

  • provides humans with resistance to disease.


What is meant by a library of genetic information in reference to biodiversity l.jpg

What is meant by “a library of genetic information” in reference to biodiversity?

  • The biodiversity of plants and animals is interesting to read about.

  • All living organisms contain genetic information upon which humans can draw for future use.

  • Species provide humans with many useful products to enhance our lives.

  • We have much to admire in the many forms of life that surround us.


Human well being is tied to biodiversity because l.jpg

Human well-being is tied to biodiversity because

  • humans love to look at beautiful things.

  • humans are part of the food webs and energy cycles that a great variety of organisms share.

  • less biodiversity makes humans vulnerable to extinction.

  • humans need a wide variety of animal species for hunting and wildlife products.


An endangered species is l.jpg

An endangered species is

  • a diseased animal.

  • a dangerous predator.

  • a group of organisms in danger of extinction.

  • all organisms at the top of a food chain.


Ddt was used to l.jpg

DDT was used to

  • fertilize soil.

  • kill insects.

  • form ozone.

  • feed animals.


One property that makes ddt hazardous over the long run is that ddt is l.jpg

One property that makes DDT hazardous over the long run is that DDT is

  • an insecticide.

  • a perfect pesticide.

  • nonbiodegradable.

  • deadly to herbivores.


All of the following are threats to biodiversity except l.jpg

All of the following are threats to biodiversity EXCEPT

  • biological magnification of toxic compounds.

  • habitat fragmentation.

  • invasive species.

  • species preservation.


One of the greatest threats today to biological diversity is l.jpg

One of the greatest threats today to biological diversity is

  • old-growth forests.

  • ozone depletion.

  • habitat destruction.

  • monoculture.


As ddt moves up the trophic levels in food chains or food webs its concentration l.jpg

As DDT moves up the trophic levels in food chains, or food webs, its concentration

  • stays the same.

  • increases.

  • decreases.

  • is eliminated.


A major factor that negatively affects biodiversity is l.jpg

A major factor that negatively affects biodiversity is

  • biological magnification.

  • habitat fragmentation.

  • the green revolution.

  • nonrenewable energy.


One of the goals of conservation biology is to l.jpg

One of the goals of conservation biology is to

  • enforce environmental laws.

  • protect habitats.

  • manage natural resources.

  • all of the above


An ecological hot spot is an area where l.jpg

An ecological “hot spot” is an area where

  • habitats and species are healthy.

  • hunting is encouraged.

  • habitats and species are in the most danger of extinction.

  • species diversity is too high.


The goals of conservation biology include all of the following except l.jpg

The goals of conservation biology include all of the following EXCEPT

  • wise management of natural resources.

  • introducing foreign species into new environments.

  • preservation of habitats and wildlife.

  • protection of biodiversity.


Protecting ecosystem diversity is a goal of l.jpg

Protecting ecosystem diversity is a goal of

  • the green revolution.

  • conservation biology.

  • the captive breeding program.

  • the United Nations.


The hot spot strategy seeks to protect species in danger of extinction due to l.jpg

The “hot spot” strategy seeks to protect species in danger of extinction due to

  • captive breeding programs.

  • expanding national parks.

  • human activity.

  • all of the above


Protecting an entire ecosystem will ensure that l.jpg

Protecting an entire ecosystem will ensure that

  • captive breeding programs will succeed.

  • existing parks and reserves will expand.

  • governments will set aside land.

  • natural habitats and the interactions of many different species will be preserved.


Overexposure to uv radiation can l.jpg

Overexposure to UV radiation can

  • cause cancer.

  • decrease organisms’ resistance to disease.

  • damage eyes.

  • all of the above


Slide41 l.jpg

An increase in Earth’s average temperature from the buildup of carbon dioxide and other gases in the atmosphere is called

  • the greenhouse effect.

  • ozone depletion.

  • global warming.

  • particulate dispersal.


Some scientists think that global warming may be l.jpg

Some scientists think that global warming may be

  • a natural variation in climate.

  • a result of human activities.

  • melting the polar ice caps.

  • all of the above


The major cause of ozone depletion is l.jpg

The major cause of ozone depletion is

  • nitric acid.

  • sulfuric acid.

  • chlorofluorocarbons.

  • ultraviolet light.


What would be the most likely effect of an increase in the use of cfcs l.jpg

What would be the most likely effect of an increase in the use of CFCs?

  • The ozone layer would suddenly disappear.

  • The ozone holes would get smaller.

  • The ozone holes would get larger.

  • There would be no effect on ozone in the atmosphere.


Carbon dioxide is released into the atmosphere by all of the following except the l.jpg

Carbon dioxide is released into the atmosphere by all of the following EXCEPT the

  • burning of fossil fuels.

  • depletion of the ozone layer.

  • burning of trees and forests.

  • burning of gasoline


The intensive farming practices of the green revolution led to the use of beneficial insecticides l.jpg

The intensive farming practices of the green revolution led to the use of beneficial insecticides. _________________________

  • True

  • False


By the end of the last ice age humans began the practice of agriculture l.jpg

By the end of the last ice age, humans began the practice of agriculture. _________________________

  • True

  • False


Old growth forests are a renewable resource l.jpg

Old-growth forests are a renewable resource. _________________________

  • True

  • False


Slide49 l.jpg

According to the principles of conservation biology, a sustainable system is efficient when it consumes as little energy and material as possible. ______________________________

  • True

  • False


Acidic gases are released into the air by combustion processes such as the burning of fossil fuels l.jpg

Acidic gases are released into the air by combustion processes such as the burning of fossil fuels. _________________________

  • True

  • False


Wetlands such as swamps can help purify water passing through them l.jpg

Wetlands such as swamps can help purify water passing through them. _________________________

  • True

  • False


Slide52 l.jpg

A sustainable-development practice that can pollute water with fish wastes if not properly managed is catch limits. _________________________

  • True

  • False


Most crop plants have wild relatives with useful traits such as resistance to disease l.jpg

Most crop plants have wild relatives with useful traits such as resistance to disease. _________________________

  • True

  • False


Slide54 l.jpg

One of the values of biological magnification is its potential as a source for material that is beneficial to humankind. _________________________

  • True

  • False


Slide55 l.jpg

Biodiversity is important to humankind because we are part of it and dependent on it for our own survival. _________________________

  • True

  • False


Substances that cannot be broken down into their elements by metabolic processes are biodegradable l.jpg

Substances that cannot be broken down into their elements by metabolic processes are biodegradable. ______________________________

  • True

  • False


An introduced species can drive an invasive species to extinction l.jpg

An introduced species can drive an invasive species to extinction. _________________________

  • True

  • False


Conservation goals must be weighed against economic costs l.jpg

Conservation goals must be weighed against economic costs. _________________________

  • True

  • False


The main cause of the thinning of the ozone layer is global warming l.jpg

The main cause of the thinning of the ozone layer is global warming. ______________________________

  • True

  • False


A result of global warming might be a rise in sea level l.jpg

A result of global warming might be a rise in sea level. _________________________

  • True

  • False


Participant scores l.jpg

Participant Scores


Slide62 l.jpg

0 of 5

The _________________________ of animals was an important event in history for the advancement of agriculture and contributed to a reliable food supply.


Slide63 l.jpg

0 of 5

Because the gases that make up the air can be replaced by natural processes, air is classified as a ____________________ resource.


Sustainable development must be based on principles of ecology as well as l.jpg

0 of 5

Sustainable development must be based on principles of ecology as well as ____________________.


To prevent certain fish populations from collapsing certain have been temporarily closed l.jpg

0 of 5

To prevent certain fish populations from collapsing, certain ____________________ have been temporarily closed.


Is a hard bricklike material formed from tropical soils due to deforestation l.jpg

0 of 5

____________________ is a hard, bricklike material formed from tropical soils due to deforestation.


Microscopic particles such as dust and ash that can enter the nose mouth and lungs are called l.jpg

0 of 5

Microscopic particles, such as dust and ash, that can enter the nose, mouth, and lungs are called ____________________.


A location that has 170 species of birds has greater than a location that has 100 species of birds l.jpg

0 of 5

A location that has 170 species of birds has greater _________________________ than a location that has 100 species of birds.


Slide69 l.jpg

0 of 5

Within each species, genetic diversity refers to the total of all different forms of _________________________ present in that species.


Any species that is threatened with extinction is a an species l.jpg

0 of 5

Any species that is threatened with extinction is a(an) ____________________ species.


Excessive levels of ddt in a small algae eating fish is an example of l.jpg

0 of 5

Excessive levels of DDT in a small algae-eating fish is an example of ______________________________.


Slide72 l.jpg

0 of 5

Top-level carnivores are at greatest risk from ______________________________ because they have the highest concentration of toxic compounds in their tissues.


Slide73 l.jpg

0 of 5

Zoos have established _________________________ programs, in which young animals are raised in protected surroundings until the population is stable and are later returned to the wild.


Slide74 l.jpg

0 of 5

Conservation biology integrates information from other scientific disciplines, such as ____________________, geography, and natural resource management.


The acts as earth s sunscreen l.jpg

0 of 5

The ____________________ acts as Earth’s sunscreen.


Intense uv radiation due to ozone depletion can damage plant leaves and tiny in the oceans l.jpg

0 of 5

Intense UV radiation due to ozone depletion can damage plant leaves and tiny _________________________ in the oceans.


What is suburban growth l.jpg

0 of 5

What is suburban growth?


How do modern subsistence hunters differ from ancient hunter gatherers l.jpg

0 of 5

How do modern subsistence hunters differ from ancient hunter-gatherers?


What development in human history led to humans gathering in settlements towns and cities l.jpg

0 of 5

What development in human history led to humans gathering in settlements, towns, and cities?


Give an example of how a renewable resource can become limited or nonrenewable l.jpg

0 of 5

Give an example of how a renewable resource can become limited or nonrenewable.


What is the tragedy of the commons l.jpg

0 of 5

What is the “tragedy of the commons”?


Slide82 l.jpg

0 of 5

What are the goals of sustainable development, and upon what principles are sustainable practices based?


Contrast biodiversity with species diversity l.jpg

0 of 5

Contrast biodiversity with species diversity.


Why is biodiversity one of earth s greatest natural resources l.jpg

0 of 5

Why is biodiversity one of Earth’s greatest natural resources?


Slide85 l.jpg

0 of 5

Calculate how much DDT could be found in the tissues of a fish on the third trophic level if the concentration of DDT in the water is 10 parts per million.


How is hunting a threat to biodiversity l.jpg

0 of 5

How is hunting a threat to biodiversity?


What is a biodiversity hot spot where is such a hot spot in the united states l.jpg

0 of 5

What is a biodiversity “hot spot”? Where is such a hot spot in the United States?


Describe how deforestation might contribute to global warming l.jpg

0 of 5

Describe how deforestation might contribute to global warming.


What is ozone why is it important l.jpg

0 of 5

What is ozone? Why is it important?


Describe three services that are provided by a healthy biosphere l.jpg

0 of 5

Describe three services that are provided by a healthy biosphere.


Why are scientists trying to model the possible effects on the atmosphere due to global warming l.jpg

0 of 5

Why are scientists trying to model the possible effects on the atmosphere due to global warming?


How is earth like an island l.jpg

0 of 5

How is Earth like an island?


Slide93 l.jpg

0 of 5

How can we ensure the sustainable development of water resources? How is water conservation consistent with the principles of sustainable development?


Slide94 l.jpg

0 of 5

Describe the process of desertification. Include a discussion of fertile topsoil and how it changes through soil erosion.


What causes acid rain what is the effect of acid rain on natural habitats l.jpg

0 of 5

What causes acid rain? What is the effect of acid rain on natural habitats?


Discuss biodiversity as a source of medicines give an example l.jpg

0 of 5

Discuss biodiversity as a source of medicines. Give an example.


What are introduced species how are they a threat to biodiversity l.jpg

0 of 5

What are introduced species? How are they a threat to biodiversity?


Slide98 l.jpg

0 of 5

Describe how habitat fragmentation occurs. What is a biological “island”? How does it differ from large ecosystems?


Discuss one of the challenges to conservation efforts in developing countries give an example l.jpg

0 of 5

Discuss one of the challenges to conservation efforts in developing countries. Give an example.


Slide100 l.jpg

0 of 5

What is the difference between captive breeding programs and ecosystem preservation in terms of conservation biology? Describe how conservation groups are working to protect biodiversity


Slide101 l.jpg

0 of 5

Discuss the health effects of damage to the ozone layer and the steps being taken to help deal with the problem.


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