36 Questions
Why do cities adjacent to mountains or in valleys experience photochemical smog?
Because thermal inversions trap pollutants
What is a major contributor to the production of ozone?
VOCs and NO2
What is acid deposition also commonly referred to as?
Acid rain
What is a natural cause of acids in the atmosphere?
Lightning and volcanoes
What is a measure to reduce acid precipitation?
Regulate powerplant sources of SO2
What are the effects of acid deposition on the environment?
On both terrestrial and aquatic ecosystems, as well as structures
Why is Africa considered the continent most vulnerable to the impacts of climate change?
Because widespread poverty limits adaptation capabilities
What is the expected impact of climate change on the Earth's temperature?
An increase in temperature
What is the expected impact of climate change on the Hydrologic Cycle?
A significant disruption to the Hydrologic Cycle
What is the expected impact of climate change on the oceans?
The oceans will become more acidic
What is the most direct effect of climate change on human health?
Increased number of deaths due to hotter temperatures
What is the expected impact of climate change on agriculture?
Decreased crop yields
What is one of the primary ways noise can enter a home?
Through gaps around pipes
What is a major negative effect of noise on animals in ecosystems?
It makes it harder for them to communicate
What is one of the factors that determines the Earth's temperature?
The Earth's distance from the sun
What is a significant impact of climate change on glaciers?
They are retreating
What is a major negative effect of noise on human health?
It can cause physical harm
What was the purpose of the Noise Control Act of 1972?
To protect the public health and welfare from detrimental noise
What can lead to the extinction of a species?
Competition for food with better adapted competitors
What is an example of coevolution?
The interaction between grazing animals and grass species
What can result from the interaction between different species?
Coevolution and adaptation of the species
What is a consequence of predation?
An adaptation of the prey species to increase its reproduction rate
How can extinction occur?
Gradually over thousands or millions of years
What is an example of a species that is being reintroduced to help it recover?
Arabian Oryx
What is the primary driver of the process of natural selection?
Variation in resource availability
Which process is thought to occur as a result of a species dividing into two isolated subpopulations?
Speciation
What is the estimated percentage of species that have gone extinct on Earth?
98-99%
What is the concept that two or more species can reciprocally influence the evolutionary direction of the other?
Coevolution
What is the result of natural selection acting on a population over time?
Increase in favorable variations
What is the term for the process by which a population becomes better suited to its environment?
Adaptation
What is the primary role of a keystone species in an ecosystem?
To play a critical role in the maintenance of specific ecosystems
What is the term that describes the ways an organism affects its environment and interacts with other organisms?
Interaction
What is the process that determines which individuals within a species will reproduce and pass their genes to the next generation?
Natural Selection
What is the smallest unit of heredity that determines the characteristics an individual displays?
Gene
What is the term that describes a group of organisms that can potentially reproduce naturally among themselves and have offspring that also reproduce?
Species
What is the result of the process of natural selection over time?
Evolution
This quiz assesses knowledge on climate change, its impacts, and Africa's vulnerability to its effects, including the role of oceans and economic activity.
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