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A sedentary sea anemone gets attached to...

A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is

A

symbiosis

B

commensalism

C

amensalism

D

ectoparasitism

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The correct Answer is:
B
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Name the interaction in each of the following: (a) Cuckoo lay: her eggs in the crew’s nest. (b) Orchid grows on a mango tree. (c) Ticks live on the skin of doze. \ (d) Sea anemone in often found on the shell of hermit crab?

A ball of mass in m= 1 kg is hung vertically by a thread of length l = 1.50 m . Upper end of the thread is attached to the ceiling of a trolley of mass M= 4 kg . Initially, the trolley is stationary and it is free to move along horizontal rails without friction. A shell of mass m=1 kg, moving horizontally with velocity v_(0) = 6 m//s collides with the ball and gets stuck with it. As a result, the thread starts to deflect towards right. The velocity of the combined body just after collision is

A ball of mass in m= 1 kg is hung vertically by a thread of length l = 1.50 m . Upper end of the thread is attached to the ceiling of a trolley of mass M= 4 kg . Initially, the trolley is stationary and it is free to move along horizontal rails without friction. A shell of mass m=1 kg , moving horizontally with velocity v_(0 )= 6 m//s collides with the ball and gets stuck with it. As a result, the thread starts to deflect towards right. At the time of maximum deflection of the thread with vertical, the trolley will move with velocity

A ball of mass in m= 1 kg is hung vertically by a thread of length l = 1.50 m . Upper end of the thread is attached to the ceiling of a trolley of mass M= 4 kg . Initially, the trolley is stationary and it is free to move along horizontal rails without friction. A shell of mass m=1 kg , moving horizontally with velocity v_(0) = 6 m//s collides with the ball and gets stuck with it. As a result, the thread starts to deflect towards right. The maximum deflection of the thread with the vertical is

What type of relationship exists between sea anemone and hermit crab .

The relationship between sea-anemone and hermit crab is called protocooperation.

A: The interaction between sea anemone and down fish is commensalism. R: The fish gets protection from predators but anemone does not appear to derive any benefit.

ARIHANT NEET-ORGANISMS AND POPULATIONS -Chapter exercises ( Medical entrances gallery)
  1. Which of the following statements regarding responses of organisms to ...

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  2. A biologist studied the population of rats in a barn. He found that th...

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  3. A sedentary sea anemone gets attached to the shell lining of hermit cr...

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  4. A population growing in a habitat with limited resources shows four ph...

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  5. Some organisms are tolerant to a narrow range of salinity and are term...

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  6. The carrying capacity of environment for a given population can be rep...

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  7. The coralloid root of Cycas has Anabaena (BGA), this type of associati...

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  8. The niche of a population is defined as

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  9. The association mycorrhiza is

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  10. Small fish get stuck near the bottom of a shark and derives its nutrit...

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  11. Sigmoid/logistic growth curve is represented by

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  12. The growth of a population without limit at its maximal rate and also ...

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  13. What type of human population represented by the following age pyrami...

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  14. The basic unit of study in Ecology is

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  15. The age of pyramid with broad base indicates :

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  16. Maximum survival and reproductive capacity shown by a population under...

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  17. Which of the following is correct range of latitudes for temperate reg...

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  18. From the given graph of population growth select the correct option ha...

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  19. There are two ways of exploitation. One way is parasitism, the other o...

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  20. The term 'Niche' was first used by

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