Atmospheric Pollution Answers

Primary pollutants are directly emitted from a source, while secondary pollutants form through chemical reactions in the atmosphere. Please select the best answer from the choices provided

What layer of the atmosphere is the most vital for supporting life on Earth?a.troposphereb.stratospherec.mesosphered.thermosphere

Which of the following selection pressures is responsible for the limited evolutionary changes experienced by alligators and other crocodilians?a.stabilizing selectionb.directional selectionc.disruptive selectiond.high mutation rate

Scientists were monitoring a meteor headed toward Earth. It moved off course, but some pieces of rock entered the Earth’s atmosphere. Which atmospheric layer protected the Earth against the danger of the rocks?

Air pollution affects everyone equally.

For which method of determining population size is the population not aware of the sampler’s presence?a.mark/recaptureb.direct observationc.samplingd.indirect observation

What environmental condition contributed to the heat wave experienced in Europe and the thousands of deaths in France?a.polluted waterb.sewagec.air pollutiond.a and b

CO is a primary pollutant.

What is a likely health effect of continued exposure to air pollution?a.congestionb.cardiovascular diseasec.respiratory illnessd.all of the above

All the radiation absorbed in the Earth’s atmosphere is absorbed in the stratosphere.

The total number of organisms an ecosystem can support is its tolerance range.

Which of the following is most likely an example of genetic drift resulting from the founder effect?a.The species’ physical habitat is limited.b.The population expresses a mix of dominant and recessive traits.c.The species occupies a small, specific niche.d.A population commonly expresses traits that are otherwise rare in the species.

A quaternary consumer species would be expected to have a smaller population than a secondary consumer species.

How can an increase in biodiversity lead to an increase in ecosystem stability?a.A more biodiverse ecosystem is not subject to change.b.A more biodiverse ecosystem has a higher chance of adapting to species changes.c.A more biodiverse ecosystem has fewer species types to balance.d.A more biodiverse ecosystem is subject to fewer natural disasters.

What discovery led Darwin to develop his theories on adaptation?a.The Galapagos islands contain a range of habitats.b.The Galapagos islands originate from volcanoes.c.The birds Darwin found in the Galapagos were different types of finches, not separate types of birds.d.Many of the organisms in the Galapagos lived in hostile environments.