The actual niche the organism is able to occupy in the presence of competitors is called its
A. interference niche.
B. intraspecific niche.
C. realized niche.
D. fundamental niche.
E. exploitative niche.
Answer: C
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Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
What will be an ideal response?
Select all of the following that represent examples of taxis.
A. Mammalian spermatozoa are guided toward an oocyte by a temperature gradient between the cooler sperm storage site and the fertilization site. B. In the Northern Hemisphere, Aquaspirillum bacteria burrow towards the magnetic north pole (the geographical south pole). C. Human body lice change direction more frequently as the temperature of their immediate environment increases. D. Cyanobacteria filaments in an intertidal environment migrate upward if salinity falls below 15% and downward if it rises above 15%.
The evolutionary history of a group of organisms is called its ________ and it is inferred from ________
A) taxonomy / phenotype B) phylogeny / nucleotide sequence data C) phylogeny / phenotype D) taxonomy / morphology
Sheaths of the bacterium Sphaerotilus are tubelike structures that are in intimate contact with the chain of cells that they enclose.
Answer the following statement true (T) or false (F)