#Question id: 11284
#Unit 10. Ecological Principles
Which of the following could qualify as a top-down control on a grassland community?
#Question id: 11285
#Unit 10. Ecological Principles
Terrestrial herbivores are animals that eat only plants and their digestive systems contain microbes that aid in the digestion of cellulose, Carnivores eat primarily animal flesh or fluids. Which of the following is correct is correct statement?
#Question id: 11286
#Unit 10. Ecological Principles
Consumption, assimilation, and production efficiencies are measures of ecological efficiency. Following some statements are correct?
(A) Consumption efficiencies for carnivores are typically higher than those of herbivores
(B) Assimilation efficiencies of herbivore are often less than consumption efficiencies
(C) Vertebrates tend to have lower production efficiencies than invertebrates
#Question id: 11287
#Unit 10. Ecological Principles
What is value of evenness in community 3 and 4 respectively?
#Question id: 11288
#Unit 10. Ecological Principles
Below is a table showing the number of species and actual food web links observed in three different ecosystems. By calculating connectance as a measure of relative complexity of food webs, which of the following ecosystem are more complex?
#Question id: 11289
#Unit 10. Ecological Principles
Consumption efficiency (CE) is the proportion of production at one trophic level (Prodn n-1) that is eaten by, or ingested, by the next trophic level (In) but Assimilation efficiency (AE) is the proportion of ingested energy assimilated in to blood stream
Which of the following is incorrect statement?
A) In terrestrial herbivore, AE is greater than CE
B) In aquatic herbivore AE is equal to CE
C) CE of grass land herbivore is often greater than forest herbivore
D) AE of herbivore is often greater than carnivore