#Question id: 11381
#Unit 10. Ecological Principles
Which of the following is decreasing order of NPP per unit area of different ecosystem?
#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: 11423
#Unit 10. Ecological Principles
Our ability to distinguish different biomes under similar conditions in different parts of the world depends primarily on which of the following factors that influence the distributions of growth forms?
#Question id: 11424
#Unit 10. Ecological Principles
In robert h. Whittaker's approach to relating terrestrial biomes and climatic variables, the principal biomes fall in a triangular area that does not include climates with __________.