Biology chapter 6 review
Which of the following is NOT a threat to biodiversity?
Availability of resources (meaning resources ARE available to organisms)
How can we protect and conserve biodiversity according to the text? Select all that apply.
By hunting animals responsibly By practicing sustainable farming and fishing
How can air quality be protected for the future?
By reducing emissions (pollution) from cars and factories
How can agriculture and forestry industries help improve the quality of soil?
By using fewer chemicals and planting more trees
How does integrated pest management help control pests?
By using natural methods to control pests without the use of harmful chemicals
Case Study #1 - Atmospheric Ozone Ozone depletion in the atmosphere has been caused by
CFCs
What may be a negative consequence of using chemicals in agriculture?
Chemicals used in agriculture may run off of fields, causing pollution and harm other areas.
Which of the following describes a way to protect water resources? Select all that apply.
Conserving watersheds Monitoring sewage treatment plants to ensure they properly treat water
Which of the following most appropriately describes the types of biodiversity?
Each option appropriately describes the types of biodiversity.
What is one negative impact of industrialized growth on ecosystems?
Factories release pollutants into the air and water, which can harm plants and animals.
What are two categories of pollution?
Factory source and chemical source
Why is it important to balance using resources and protecting the environment?
Finding a balance helps in sustainable development and meeting the needs of future generations.
Renewable and non-renewable resources differ in their ability to be replenished. Which of the following is MOST LIKELY a non-renewable resource?
Fossil fuels
Examine the food web below. Which of the following organisms would accumulate the highest levels of a pesticide?
Hawk
Case Study #3 - North Atlantic Fisheries How does overfishing impact the North Atlantic fisheries?*
It damages the ecosystem and affects the fish population.
Sustainable development aims to meet current needs without compromising the future. Which of the following practices BEST reflects the principles of sustainable development?
Protecting endangered species and their habitats
What is the first step in moving toward a sustainable future?
Recognize environmental problems
What is the difference between renewable and nonrenewable resources?
Renewable resources can be replaced over time, while nonrenewable resources cannot be replaced once they are used up.
Once environmental problems have been identified, what is the next step in moving toward a sustainable future?
Research the problem to determine its cause
Which of the following is true regarding the average American ecological footprint? Select all that apply.
The average American ecological footprint is 2-4x the global average. Americans, living in a "more developed country" use more resources
What is biological magnification?
The increasing concentration of a substance in the tissues of organisms at successively higher levels in a food chain
Once the cause of an environmental problem has been identified, what is the next step in moving toward a sustainable future?
To limit the use of resources by people from other countries
Why is it important to reduce our impact on the environment?
To maintain a healthy planet for future generatio
Case Study #3 - Climate Change Why is it important to understand the connection between burning fossil fuels and climate change?
To reduce the ecological footprint of the average American.
Case Study #1 - Atmospheric Ozone What was the purpose of the case study on atmospheric ozone?
To review the cause of the thinning of the ozone layer and the solutions that lead to it's repair
What is the main reason for reviewing case studies in relation to ecological impact
To understand how human activities have damaged the environment
How does urbanization affect ecosystems?
Urbanization fragments habitats by taking away land that animals and plants need.
Which of the following human activities has NOT had an important role in transforming the biosphere to date?
aquaculture
The conversion of a once soil-rich area to an area with little to no vegetation is called
desertification
The total impact a person has on the biosphere can be represented by his or her
ecological footprint
The loss of fertile soils from an area through the action of water or wind is called
erosion
The following graph shows the number of species introduced into new habitats in the United States in the last century. Some of the species were relocated to new habitats within the United States while others were imported from other countries. Of domestic species and foreign species, which showed the greatest percentage increase between the 1901-1950 period and the 1951-1996 period?
foreign species
A species that is introduced to an environment where it has not lived before is described as
invasive
Select all that apply. Nutrient-rich topsoil may be maintained by
less tilling and plowing alternate crops or plant different crops at different seasons
How does the process of urbanization relate to the need for clean water?
rbanization increases the demand for clean water due to population growth.
The concept of using natural resources at a rate that does not deplete them is called
sustainable development
