The stinging tentacles of a sea anemone protecting a clown fish which chases away any fish that tries to feed on the anemone is an example of which of the following types of symbiotic relationship?
A) Commensalism
B) Mutualism
C) Naturalism
D) Parallelism
E) Parasitism
Question 2
Domestic cattle production and rice agriculture release relatively large amounts of which gas into the atmosphere?
A) Carbon dioxide (CO2)
B) Chlorofluorocarbons (CFCs)
C) Methane (CH4)
D) Ozone (O3)
E) Water vapor (H2O)