Environmental Science Concepts Assessment

The video discusses the human impact on the biosphere, focusing on population growth, global warming, acid rain, habitat alteration, invasive species, overharvesting, nutrification, and pollution. It explains exponential and logistic population growth, the greenhouse effect, and the consequences of burning fossil fuels. The video also covers urbanization, deforestation, overgrazing, and the effects of invasive species. It highlights the dangers of overharvesting and nutrient pollution, as well as the impact of CFCs and biomagnification on ecosystems.

What shape does the graph of exponential human population growth resemble?

• U-curve

• L-curve

• J-curve

• S-curve

What is the primary cause of the greenhouse effect?

• Urbanization

• Burning of fossil fuels

• Deforestation

• Overgrazing

Which of the following is a direct result of global warming?

• Increase in biodiversity

• Decrease in sea levels

• Reduction in greenhouse gases

• Rise in global temperatures

What are the main pollutants responsible for acid rain?

• Ozone and CFCs

• Sulfur dioxide and nitrogen oxides

• Carbon dioxide and methane

• Lead and mercury

Which of the following is a solution to urbanization's impact on natural habitats?

• Increasing livestock

• Expanding outward

• Providing green spaces

• Increasing deforestation

What is a characteristic of invasive species?

• They have natural predators

• They reproduce slowly

• They are native to the ecosystem

• They compete with native species

What is overharvesting?

• Planting more trees than needed

• Removing more resources than sustainable

• Increasing livestock numbers

• Reducing fossil fuel use

What is a consequence of nutrient pollution?

• Improved water quality

• Decrease in plant growth

• Reduction in algae blooms

• Eutrophication

What is the primary issue with CFCs?

• They break down the ozone layer

• They increase greenhouse gases

• They cause acid rain

• They lead to deforestation

What does biomagnification refer to?

• Decrease in pollutant concentration

• Increase in pollutant concentration across trophic levels

• Reduction in biodiversity

• Increase in natural predators