#Question id: 11384
#Unit 10. Ecological Principles
Two islands, P and Q, are similar in habitat and other features. They are 100 and 200 km2 in size respectively, but have the same number of species. Which of the following statements can independently explain this observation?
(i) P is closer to the mainland than Q
(ii) P is further away from the mainland than Q
(iii) P has higher speciation rates than Q
(iv) P has lower speciation rates than Q
#Question id: 11385
#Unit 10. Ecological Principles
Which of the following biomes is correctly paired with the description of its climate?
A) savanna-low temperature, precipitation uniform during the year
B) tundra-long summers, mild winters
C) Taiga-relatively short growing season, Low precipitation
D) temperate grasslands-relatively warm winters, most rainfall in summer
E) tropical forests-nearly constant day length and temperature
#Question id: 11416
#Unit 10. Ecological Principles
Which of the following biomes spans the largest annual mean temperature range, but the narrowest mean precipitation range?
#Question id: 11417
#Unit 10. Ecological Principles
Use the following figure to answer the question below
Which of the following name of biome 5, 6, 4 and 3 respectively?
#Question id: 11419
#Unit 10. Ecological Principles
There are more species in tropical areas than in places more distant from the equator. This is probably a result of
a) more predators and parasites
b) more dispersed annual solar radiation compared to the poles
c) more frequent ecological disturbances over a longer time span
d) a longer time frame without disturbances for evolution and speciation
#Question id: 11420
#Unit 10. Ecological Principles
We can represent the relationship of species richness to area with the equation
Where S = number of species, and c and z are both constants
Which of the following is not a logical explanation to relationship of species richness to area?