Pathogenic bacteria isolated from the respiratory or intestinal tracts of humans are
a) facultative anaerobes that require reducing media for growth.
b) capnophiles that prefer highly oxygenated growth conditions
c) strict aerobes that grow best in reducing media
d) capnophiles that grow best in carbon dioxide incubators.
e) strict aerobes that grow best in candle jars.

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.