Practice AcaDec Flashcard - Science & Social Science

Front

Two organisms are considered to be of different species if they

Back

cannot produce viable offspring

Front

Which mass extinction event occurred first? Options: Late Devonian, Cretaceous Palogene, Ordovician-Silurian, Holocene

Back

Ordovician-Silurian

Front

Which of the following effects is NOT associated with high-intensity agriculture?
fertilizer runoff,
erosion,
soil quality reduction,
decreased productivity

Back

decreased productivity

Front

Which of the following elements is MOST useful in determining past temperature trends?
Options: oxygen, nitrogen, carbon , boron

Back

oxygen

Front

Wlijah mixes dissolved nutrients into the water he gives one of his plants, and compares its growth to the others. He is conducting a(n)

Back

manipulation experiment

Front

The equation for net flux is written as

Back

inputs - outputs

Front

Which gaseous pollutant has the LOWEST atmospheric residence time? Options: methane, carbon dioxide, nitrous oxides, hydrocarbons

Back

methane

Front

Why does overshoot occur in natural population systems?

Back

delays in ecosystemic transmittance

Front

What pollutant is MOST responsible for the decline in red spruce populations? Options: Sulfur dioxide, carbon monoxide, calcium carbonate, nitrogen oxide

Back

Sulfur dioxide

Front

On which ship did Charles Darwin serve as the ship's naturalist?

Back

HMS Beagle