36. What is the term for the process by which a new species forms?
a) Natural selection
b) Evolution
c) Speciation
d) None of the above
Answer: c
37. What is the term for the study of the distribution of organisms around the world?
a) Biogeography
b) Ecology
c) Evolution
d) None of the above
Answer: a
38. Which of the following is an example of a commensalistic relationship?
a) Predator and prey
b) Mutualistic partners
c) One species benefits while the other is unaffected
d) None of the above
Answer: c
39. What is the term for the total amount of living matter in an ecosystem?
a) Biomass
b) Biodiversity
c) Biome
d) None of the above
Answer: a
40. Which of the following is an example of a biotic factor?
a) Temperature
b) Soil type
c) Predation
d) None of the above
Answer: c
