A sedentary sea anemone gets attached to the sheel lining of hermit crab. The association is
1. ectoparasitism
2. symbiosis.
3. commensalism.
4. amensalism.
Consider the following statements (A)-(D) each with one or two blanks:
(A) | Bears go into ________ (1) _ during winter to ________ (2) _ cold weather. |
(B) | A conical age pyramid with a broad base represents _________ (3) human population. |
(C) | A wasp pollinating a fig flower is an example of ________ (4) _ . |
(D) | An area with high levels of species richness is known as _________ (5) . |
Which of the following options, gives the correct fill-ups for the respective blank numbers from(1) to (5) in the statements?
1. | (1) - hibernation, (2) - escape, 3) - expanding, (5) - hot spot |
2. | (3) - stable, (4) - commensalism, (5) - marsh |
3. | (1) - aestivation, (2) - escape, (3) - stable, (4) - mutualism |
4. | (3) - expanding, (4) - commensalism, (5) - biodiversity park |
Mycorrhiza are the example of
1. Amensalism.
2. Antibiosis.
3. Mutualism.
4. Fungistasis.