BS Environmental Science

Question 1

What is biodiversity?

Accepted Answer

The variety of life forms within a given ecosystem or on Earth

Answer

The total number of individual organisms in a population

Answer

The rate at which species evolve over time

Answer

The geographic distribution of a single species

Question 2

What is the primary cause of the greenhouse effect?

Accepted Answer

Accumulation of gases like CO2 and methane that trap heat in the atmosphere

Answer

Depletion of the ozone layer allowing UV radiation in

Answer

Increased solar radiation reaching Earth's surface

Answer

Cooling of the oceans due to ice melt

Question 3

Which human activity is the largest contributor to deforestation in the US?

Accepted Answer

Agricultural expansion and land clearing for farming

Answer

Urban residential development

Answer

Mining and mineral extraction

Answer

Recreational tourism

Question 4

What is an ecosystem?

Accepted Answer

A community of living organisms interacting with their physical environment

Answer

A collection of organisms of the same species in an area

Answer

The non-living components of a habitat

Answer

A classification level between kingdom and phylum

Question 5

What does the term 'carbon footprint' refer to?

Accepted Answer

The total greenhouse gas emissions caused by an individual, organization, or activity

Answer

The physical area of land needed to absorb CO2 emissions

Answer

The amount of carbon stored in soil and vegetation

Answer

The carbon cycle's effect on ocean chemistry

Question 6

Which of the following is a renewable energy source?

Accepted Answer

Solar energy

Answer

Natural gas

Answer

Coal

Answer

Nuclear fission