Final Exam Environmental Science Fall 2024

Front

What is the half-life of iodine-131?

Back

The half-life of iodine-131 is 8 days.

Front

What was the effect of DDT exposure on bird populations?

Back

DDT exposure caused decimation of bird populations due to shell-thinning.

Front

Is biomining more environmentally friendly than surface mining?

Back

True, biomining is more environmentally friendly than surface mining.

Front

What contributed to the rapid growth of the human population in the 1800s?

Back

Improved healthcare contributed to the rapid growth of the human population in the 1800s.

Front

What is the carrying capacity of an environment?

Back

The carrying capacity is the largest number of individuals of a population that the environment can support.

Front

What is biomining?

Back

Biomining is the process of extracting metals from ores using microorganisms.

Front

What is DDT?

Back

DDT (Dichloro-Diphenyl-Trichloroethane) is a pesticide that was widely used but is now banned in many countries due to its environmental impact.

Front

What is shell-thinning?

Back

Shell-thinning is a reduction in the thickness of eggshells, often caused by environmental pollutants like DDT.

Front

What is population crash?

Back

A population crash is a rapid decrease in the size of a population, often due to environmental factors.

Front

What is mutualism?

Back

Mutualism is a type of symbiotic relationship where both species benefit from the interaction.