Consider the following statements concerning food chains (1) removal of 80% tigers from an area resulted in greatly increased growth of vegetation (2) removal of most of the carnivores resulted in an increased population of deers (3) the length of food chains is generally limited to 3-4 trophic levels due to energy loss (4) the length of food chains may vary from 2 to 8 trophic levels Which two of the above statements are correct?

consider the following statements concerning food chains 1

Releted Question 1

A. Gross primary productivity is always more than net primary productivity

B. Gross primary productivity and Net primary productivity are one and same

C. There is no relationship between Gross primary productivity and Net primary productivity

D. Gross primary productivity is always less than net primary productivity

Releted Question 2

A. all the biological factors in the organism's environment

B. the physical space where an organism lives

C. the functional role played by the organism where it lives

D. the range of temperature that the organism needs to live

Releted Question 3

A. E.P. Odum

B. A.G. Tansley

C. E.Haeckel

D. E. Warming

Releted Question 4

A. secondary consumers

B. tertiary consumers

C. detritivores

D. primary consumers