Final Exam Review

One of the greatest threats to biodiversity is:

Genetic engineering of food crops

An interaction in which one organism captures and feeds on another organism is called:

The primary producers in a grassland ecosystem would most likely be:

Organisms are adapted to survive in particular environments. This explains why:

Which statement best describes exponential growth?

Over millions of years, plants and their pollinators have:

The extinction of species:

What results from the same species requiring the same food and space?

Food webs are more commonplace than food chains because:

Many autotrophs obtain the energy they need for metabolism through:

As a population reaches its carrying capacity, there is an increase in competition for:

Each of the following is an example of a parasite except:

Which of the following best describers a population?

An ecological footprint is the:

The physical location of an ecosystem in which a given species lives is:

Competition for food cannot occur:

Plants play crucial role in carbon cycle because they:

Ecology is the study of the interaction of living organisms:

Using scientific info to help clean up a lake describes:

Which of the following is NOT an ecosystem

Where are many critical biodiversity hotspots located?

Chlorofluorocarbons (CFCs) are a problem because they:

Heterotrophs get energy:

The community of a pond is made up of all the:

Which is a nonpoint-source pollution?

Which is legal under the Endangered Species Act

"Tragedy of Commons" addresses conflicts associated with what environmental challenge?

Heterotrophs get energy:

Which organism is likely to be in the bottom trophic level of a food chain?

Why is the world's loss of biodiversity a source of concern?

Parasites:

A true statement about greenhouse gases is that they:

The group that does NOT receive experimental treatment in an experiment is the:

The U.S. laws that protect endangered species:

Algae is a:

Air pollution is a major health problem caused by burning of fuels in:

Species evolving in response to other living members of their ecosystem is:

The difference between a predator and parasite is that a predator:

Most of today's environmental problems began during:

Which of the following about global warming is NOT accurate?

The total variety of living organisms in the biosphere is called:

Energy flows from the sun through the living world when:

Acid precipitation can be traced back to:

What term is used to refer to many possible feeding relationships in an ecosystem?

"Tragedy of the Commons" describes conflict between:

Most air pollution is produced by:

Compared to developing nations, developed nations have:

Which of the following best described use of renewable resource?

The repeated movement of water between Earth's surface & atmosphere is:

In scientific investigation, it is important that the number of objects being sampled is:

A group of organisms of different species living together in a particular place is called a:

Which of the following pH measurements of rainwater would indicate acid rain?

Earth's surface water is found in:

Pollutants produced by burning coal include:

If an insect eats a plant, about how much energy is stored in the insect?

A population pyramid is created by:

Which country is most likely to have a stable population?

If the supply of oil declined, and the demand remained the same:

Ozone in the atmosphere:

The average global temperature has ______ during 20th century:

Renewable sources of energy:

Energy in fossil fuels is often converted into:

Which gas makes up 78% of atmosphere, but can only be used after transformed by bacteria?

Biodiversity is:

Two diseases that can be caused by pollution are:

Consumers are organisms that:

An endangered species is:

Which kind of organism obtains energy only from producers?

A population of organisms grows:

Which of the following statements is not correct:

Coal, oil, and natural gas

The major human causes of extinction today are:

Which of the following is density-independent:

Because of the Endangered Species Act, the sale of protected animals or plants is:

Producer-Consumer relationship is best illustrated by a:

In going from one trophic level to the next higher level:

During the agricultural revolution:

A sustainable world would be characterized by the:

The level of biodiversity that involves a variety of habitats and communities is:

The carrying capacity of an environment is determine by:

Things you do that contribute to a cleaner environment include:

Major ecosystems that occur over wide areas of land are called:

Climate in a region is:

Why is wood considered a limited resource in developing countries?

Fungi are:

Which of the following is a developing nation?

The major atmospheric by-product of photosynthesis is:

The number of wild horses per square km in a prairie is the horse population's:

Which is not a threat to biodiversity?

For evolution to occur in a population, individuals w/ a trait naturally selected for must:

The density of a population is:

The relationship between a Canadian lynx and snowshoe hare is an example of:

The increase in Earth's average temp. from CO2 building is called:

Every 2 adults has 2 offspring that live to reproduce. What happens to population after time?

Polluted groundwater is difficult to clean because:

Example of a population is:

Destruction of tropical rain forests:

The energy in most ecosystems comes from: