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Question
Give one example for each of the following types.
a) Migratory animal
b) Camouflaged animal
c) Predator animal
d) Biological control agent
e) Phytophagous animal
f) Chemical defense agent
a) Migratory animal
b) Camouflaged animal
c) Predator animal
d) Biological control agent
e) Phytophagous animal
f) Chemical defense agent
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Solution
a) Migratory animal:
Migratory animals move temporarily from a stressful habitat to a habitat which is more hospitable and favourable for their survival to avoid stressful conditions and return to their habitat when the stressful period gets over.
Example: Thousands of Siberian cranes migrate from Siberia during winters to Keoladeo National Park in Rajasthan.
Fig : Siberian crane
Final answer: Siberian crane
b) Camouflaged animal:
Camouflaged animals are those which change their colour to blend themselves with their surroundings. Camouflage helps these animals to protect themselves from being detected by their predators.
Example: Chameleons, some frogs and insects change their colours.
Final answer: Chameleon
c) Predator animal:
Animals that capture, kill and feed on other animals to fulfill their energy requirements are predators. The animals that are killed and fed upon are called preys.
Example: Lion eating a deer is a predator.
Final answer: Lion
d) Biological control agent:
Biological control agents are the organisms that can be predators, pathogens which control the population of other organisms such as insects and pests.
Example: Gambusia fish is a biological control agent of mosquitoes. It feeds on the larval stage of mosquitoes and prevents diseases such as dengue and malaria which are spread by mosquitoes.
Final answer: Gambusia fish
e) Phytophagous animal:
Animals that feed on plant parts and plant sap are called phytophagous animals.
Example: Insects such as butterflies suck nectar and are termed phytophagous.
Final answer: Butterfly
f) Chemical defence agent:
Chemical defence agents are the substances produced by an organism that reduce the risk of its predation.
Examples include cardiac glycosides produced by Calotropis.
Final answer: Cardiac glycosides produced by Calotropis.
Migratory animals move temporarily from a stressful habitat to a habitat which is more hospitable and favourable for their survival to avoid stressful conditions and return to their habitat when the stressful period gets over.
Example: Thousands of Siberian cranes migrate from Siberia during winters to Keoladeo National Park in Rajasthan.
Fig : Siberian crane
Final answer: Siberian crane
b) Camouflaged animal:
Camouflaged animals are those which change their colour to blend themselves with their surroundings. Camouflage helps these animals to protect themselves from being detected by their predators.
Example: Chameleons, some frogs and insects change their colours.
Final answer: Chameleon
c) Predator animal:
Animals that capture, kill and feed on other animals to fulfill their energy requirements are predators. The animals that are killed and fed upon are called preys.
Example: Lion eating a deer is a predator.
Final answer: Lion
d) Biological control agent:
Biological control agents are the organisms that can be predators, pathogens which control the population of other organisms such as insects and pests.
Example: Gambusia fish is a biological control agent of mosquitoes. It feeds on the larval stage of mosquitoes and prevents diseases such as dengue and malaria which are spread by mosquitoes.
Final answer: Gambusia fish
e) Phytophagous animal:
Animals that feed on plant parts and plant sap are called phytophagous animals.
Example: Insects such as butterflies suck nectar and are termed phytophagous.
Final answer: Butterfly
f) Chemical defence agent:
Chemical defence agents are the substances produced by an organism that reduce the risk of its predation.
Examples include cardiac glycosides produced by Calotropis.
Final answer: Cardiac glycosides produced by Calotropis.
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