Nitrifying bacteria participate in the nitrogen cycle mainly by [a] A) converting nitrogen gas to ammoniaB) releasing ammonium from organic compounds, returning it to the soilC) converting ammonium to nitrate, which plants absorbD) incorporating nitrogen into amino acids and organic compounds

Terrestrial molluscs without shells [a]A) cephalopodsB) chitonsC) gastropodsD) bivalesE) apes

Mature firms usually raise capital by issuing new shares of common stock?

The discipline dedicated to returning degraded ecosystems to their natural state is. [a]A) landscape ecologyB) conservation ecologyC) restoration ecologyD) resource conservation

Males of one species are too small to stimulate ovulation of a females of another species, what is this referred as  [a]A) gametic isolationB) mechanical isolation C) temporal isolation D) behavioral isolationE) habitat isolation

How do humans acquire trichinosis  [a]A) poorly cooked beefB) poorly cooked porkC) poorly cooked fishD) being bitten by tsetse flyE) being bitten by a mosquito

Why is it important to measure net primary production (NPP)? [a]A) NPP cannot be expressed in energy/unit of area/unit of time.B) Net Ecosystem production (NEP) can be expressed in terms of carbon fixed by photosynthesis for an entire ecosystem.C) NEP represents the amount of energy remaining it is the light energy converted to chemical energy, minus the energy used for cellular respiration.D) NPP shows the rate at which the standing crop is utilized by consumers.

Determine whether the sequence 

Which of the following situations could be described as bias in measurements?

What is the error when the convergent Alternating series below is approximated by ?