Ecology Exam Review Sem 2 2021

Which greenhouse gas is most abundant?

This tropical habitat is especially sensitive to global warming.

This legislation was passed in 1973 and allows the government to buy land for conservation.

Power plants produce this type of water pollution, seen here in infrared.

Bycatch refers to those species who are:

This is created when rain percolates down through a landfill.

What is happening in this picture as these fish age?

Species considered "naturally" endangered because they are only found in one location on Earth.

How much of the world's fresh surface water is stored in the Great Lakes?

If these organisms are removed from the ecosystem, the entire food web is damaged.

CO₂, Water vapor, methane, ozone. What do these gases have in common?

Which of the following is NOT a result of climate change?

In which layer of the atmosphere does temperature reach its lowest recorded point?

Introduced species that damage the ecosystem through predation, competition, or herbivory.

RCRA

Biodiversity measures:

Soil that cannot hold anymore water is said to be:

This toxic metal slows brain development and increases aggressive behavior, especially dangerous for children.

This natural climate event occurs every 3-7 years and is more intense due to global warming.

What do we call organisms who are under threat of extinction?

What is the cause of most of the mass extinctions in Earth's history?

This brackish habitat contains strange trees that filter pollutants from the water.

What route of exposure is most common for air pollutants?

When groundwater is removed faster than it is replaced, this occurs on the surface.

This manmade chemical is responsible for the "holes" in the ozone.

What is an LD50 study used for?

Low quality products sold on purpose in order to make you purchase more later.

Wastewater treatment cannot remove these from our water supply.

Pollution that is easily traceable to its source.

Which is NOT one of the 6 threats to biodiversity?

What is the LD50 of this chemical?

What percent of the water on Earth is freshwater?

The only mass extinction event with a biotic cause.

Evaporation, Precipitation, Accumulation. What part of the process is missing?

Controlling invasive species by releasing a natural predator into the ecosystem is called:

Which country consumes the largest amount of illegal wildlife/wildlife products?

Which greenhouse gas listed can trap the most heat?

Refills a lake or river.

Which TWO elements are responsible for creating acid rain?

Ozone depletion is the cause of climate change

When invasive species damage a habitat by destroying plant life.

Soil can be considered a pollutant, especially in water. It belongs to which category?

Which mass extinction is considered the Earth's greatest due to number of species lost?