A+ Answers of the following Questions

Question 1
Marks: 1.00 In biomes, plant life form and leaf type are distributed relative to changing _______. Choose one answer. 
a. climate 
b. corilois forces 
c. greenhouse gases 
d. species richness 

Question 2
Marks: 1.00 Primary production uses which metabolic process to begin the flow of energy to ecosystems? Choose one answer. 
a. Catalysis 
b. Proton capture 
c. Photosynthesis 
d. Respiration 

Question 3
Marks: 1.00 The trophic efficiency for most bioimass pyramids is _____. Choose one answer. 
a. 15% 
b. 10% 
c. 90% 
d. 5% 

Question 1
Climatologically, the world;s largest deserts are located based on the _______ and its dry, descending airmasses. Choose one answer. 
a. trade wind zone 
b. low pressure zone 
c. intertropical convergence zone 
d. warm air zone 

Question 2
A type III response to predation results in a(n) ________ prey response curve. Choose one answer. 
a. oscillating 
b. exponential 
c. logrythmic 
d. sigmoidal 

Question 3
Chemical reactions that result in loss of energy as heat from a system are termed ______. Chemical reactions that must absorb energy to proceed are termed _______. Choose one answer. 
a. endothermic, exothermic 
b. exothermic, endothermic 
c. ectothermic, endothermic 
d. exothermic, homothermic

Question 1

 _________ is greatest when the birth rate of the population and growth of individuals is greatest. Choose one answer. 
a. Assimilative capacity 
b. Resource partitioning 
c. Secondary productivity 
d. Primary productivity 

Question 2
 

For the Lotka-Volterra model, competition between species results in _______ for three of four encounters Choose one answer. 
a. collusion 
b. extinction 
c. predation 
d. exirpation

Question 3

Fire is a critical factor for habitat maintenance in _______, but not in _______. Choose one answer. 
a. tropical forests, shrublands 
b. tropical grasslands, deserts 
c. temperate forests, tundra 
d. temperate grasslands, boreal forests 

Question 1

 Tropical rain forests can be divided into five physical layers, with the lowest being the______. Choose one answer. 
a. root zone 
b. permafrost 
c. groundcover 
d. understory

Question 2
 In an aggregative response to additional food supplies, _______ populations increase through movement into the area. Choose one answer. 
a. detritivore 
b. prey 
c. predator 
d. autotroph 

Question 3
 The ____________ states that two or more species with the same ecological requirements cannot coexist Choose one answer. 
a. competitive exclusion principle 
b. second law of thermodynamics 
c. niche overlap principle 
d. interspecific competition principle 

Question 1

The combination of ____ efficiency, production efficency and assimilation efficiency are used to quantify energy flow through the food chain Choose one answer. 
a. secondary 
b. grazer 
c. eliminations
d. consumption 

Question 2

Mechanisms for defense against predators are either _______ , that is permanent, or ________ that is brought about. Choose one answer. 
a. consecutive, induced 
b. constitutive, induced 
c. constitutive, enhanced 
d. conservative, inferred 

Question 3

____________ competition involves two or more species. Choose one answer. 
a. Internicene 
b. Extraspecific 
c. Intraspecific 
d. Interspecific