Species which adds upto only a small proportion of the total biomass of a community, yet has a huge impact on the community's organization and survival

Common species that has plenty of biomass, yet has a fairly low impact on the community's organisation

Rare species that has minimal impact on the biomass and on their species in the community

Dominant species that constitutes a large proportion of the biomass and which affects many other species

A species is categorised as endemic because it is

Exclusively found in a particular geographical zone

Feeding on common food resources

International Union for Conservation of Nature and Natural Resources

International Union for Nature an Natural Resources

International Union for Conservation of Natural Resources

International Union for Conservation of Nature

In a comparative analogy between the aeroplane and ecosystem the Rivet Popper hypothesis used by Stanford ecologist Paul Ehrlich's, identify the correct matching? Column I Column II i) Rivets a) Ecosystem ii) Aeroplane b) Species iii) Popping of a rivet c) Key species iv) Rivets on the wings d) Proper functioning of ecosystem v) Flight safety e) A species to become extinct

( i - b ) , ( ii - a ) , ( iii - e ) , ( iv - c ) , ( v - d )

( i - b ) , ( ii - a ) , ( iii - c ) , ( iv - e ) , ( v - d )

( i - b ) , ( ii - d ) , ( iii - e ) , ( iv - c ) , ( v - a )

( i - b ) , ( ii - d ) , ( iii - c ) , ( iv - e ) , ( v - a )

E M B I B E

Biology Crash Course NEET>Chapter 37 - Biodiversity and Conservation>Level 2>Q 27

EASY

NEET

IMPORTANT

Earn 100

Read the following statements and select the correct option:

A. Out of every 10 animal species on this planet, 7 species are of insects.

B. The number of fungi species in this world is more than the combined total of species of fishes, amphibians, reptiles and mammals.

83.33% studentsanswered this correctly

Important Questions on Biodiversity and Conservation

HARD

NEET

IMPORTANT

Biology Crash Course NEET>Chapter 37 - Biodiversity and Conservation>Level 2>Q 28

Read the following statements and select the correct option that mentions observations shown by David Tilman, who performed a long-term ecosystem experiment using outdoor plots.

(a) Plots with more species showed less year-to-year variation in total biomass.

(b) Plots with less species showed less year-to-year variation in total biomass.

(c) Increased diversity contributed to higher productivity.

(d) Plots with more species showed year to year variation in total rainfall.