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A cat is an example of a predator.

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Important Questions on Communities

EASY
Life Science>Relationship>Communities>Ecological Interactions
In _____ alga and fungus have a symbiotic relationship.
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Life Science>Relationship>Communities>Ecological Interactions
What do you understand by symbiotic relationship? Give one example mentioning the organisms involved in it.
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Life Science>Relationship>Communities>Ecological Interactions

Interaction between predator and prey.

MEDIUM
Life Science>Relationship>Communities>Ecological Interactions
Write the differences between Predation and parasitism.
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Life Science>Relationship>Communities>Ecological Interactions
Water and phosphorous cycles are gaseous cycles.
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Life Science>Relationship>Communities>Ecological Interactions
Organism that lives in or on other organism and derives subsistence from it without rendering it any service in return is called _____.
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Life Science>Relationship>Communities>Ecological Interactions
Define parasitism.
MEDIUM
Life Science>Relationship>Communities>Ecological Interactions
What do you mean by symbiosis?
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Life Science>Relationship>Communities>Ecological Interactions
A mutually beneficial association between two organisms is called _____. (Ammensalism/Symbiosis)
MEDIUM
Life Science>Relationship>Communities>Ecological Interactions
Select the correct statement. In an ecosystem:
(i) the flow of energy is unidirectional
(ii) the flow of materials is unidirectional
(iii)the flow of materials is cyclic
(iv)the flow of energy is cyclic.
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Life Science>Relationship>Communities>Ecological Interactions
What is the association of deer and tiger called?
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Life Science>Relationship>Communities>Ecological Interactions

Define the following, give two examples of each.

Symbiosis

MEDIUM
Life Science>Relationship>Communities>Ecological Interactions
Define the following term “Parasitism”.
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Life Science>Relationship>Communities>Ecological Interactions

Fill in the blank with a suitable word from the bracket.

Malarial parasite is an _____ (endoparasite/ectoparasites).

EASY
Life Science>Relationship>Communities>Ecological Interactions

_____ (Commensalism/Parasitism) is a non-mutual symbiotic relationship between two species.

HARD
Life Science>Relationship>Communities>Ecological Interactions
The two micro-organisms which live in symbiotic association in lichens are
MEDIUM
Life Science>Relationship>Communities>Ecological Interactions
One of the following organisms exhibits symbiosis.
EASY
Life Science>Relationship>Communities>Ecological Interactions

Why are there no predators for lions or tigers ?

EASY
Life Science>Relationship>Communities>Ecological Interactions
Define the following term "Predators".
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Life Science>Relationship>Communities>Ecological Interactions

Match the items in Column A with those in column B.

Column A Column B
1.Symbiosis (a)One organism depends on another organism for food, but the second organism gets no benefit.
2.Parasite (b) Interaction between species, in which one kills and eats the other.
3.Predation (c) Organism of two different species living together with mutual benefit.