Biology
Grade-8
Easy
Question
This is an example of:
- Physiological adaptation
- Behavioural adaptation
- Structural adaptation
- Selectional adaptation
Hint:
An adaptation can be structural, meaning it is a physical part of the organism. An adaptation can also be behavioral, affecting the way an organism responds to its environment.
The correct answer is: Structural adaptation
Their webbed feet, which have connections between their toe-like. Ducks have adapted to their water-based habitats by having webbed feet which help them travel through water most effectively. Ducks also have an oily coating on their feathers to make them waterproof, regulate temperature and keep them light as they are not weighed down by being waterlogged.
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This is an example of:
This is an example of:
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When the peacock spreads its feathers to attract females for mating, the type of behaviour is called?
When the peacock spreads its feathers to attract females for mating, the type of behaviour is called?
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Match the following:
Match the following:
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Camels can survive a week or more without water.
Camels can survive a week or more without water.
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When an animal or plant copies a characteristic of some other organism in order to better its chances of survival and reproduction is called:
When an animal or plant copies a characteristic of some other organism in order to better its chances of survival and reproduction is called:
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If the temperature of the Earth increases gradually and the surroundings become drier, which of the following plant would more likely survive?
If the temperature of the Earth increases gradually and the surroundings become drier, which of the following plant would more likely survive?
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Succulents grow in which region?
Succulents grow in which region?
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The arctic environment has lower temperatures ranging between −22°C and 6°C, with snow covering the majority of the area. Which adaptation would be favourable for the survival of a population of organisms in this environment:
The arctic environment has lower temperatures ranging between −22°C and 6°C, with snow covering the majority of the area. Which adaptation would be favourable for the survival of a population of organisms in this environment:
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What is INCORRECT about hibernation.
What is INCORRECT about hibernation.
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An adaptation where animals move to a different habitat in search of food, water and shelter is known as:
An adaptation where animals move to a different habitat in search of food, water and shelter is known as:
BiologyGrade-8
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The flexible jaw of a snake is a:
The flexible jaw of a snake is a:
BiologyGrade-8
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During hibernation, animals show which of the following changes?
During hibernation, animals show which of the following changes?
BiologyGrade-8
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______________ allows an organism to survive better in its environment
- Such changes occur in the organisms that helps them to survive better in the environment. This is called adaptation.
- These changes occur at genetic level and pass on to the next generation.
- These adaptations can be structural, behavioral or physiological.
- For example, most of the animals found in desert have a thick dermis layer on their body that assure minimum water loss.
______________ allows an organism to survive better in its environment
BiologyGrade-8
- Such changes occur in the organisms that helps them to survive better in the environment. This is called adaptation.
- These changes occur at genetic level and pass on to the next generation.
- These adaptations can be structural, behavioral or physiological.
- For example, most of the animals found in desert have a thick dermis layer on their body that assure minimum water loss.
Biology
Animals migrate because of:
- Animals migrate according to the season.
- The conditions of the place in a season becomes unfavorable.
- The animals can't survive or breed in such conditions, so they move to the other place. The distance of the travel can be around 25 miles.
- They migrate because of high or very low temperature conditions or unavailability of food.
- Bar headed geese migrate from Himalaya to south Asia in winter season.
- They travel 1000 miles.
- The condition of this place when becomes unfavorable they again move to the Himalayas.
Animals migrate because of:
BiologyGrade-8
- Animals migrate according to the season.
- The conditions of the place in a season becomes unfavorable.
- The animals can't survive or breed in such conditions, so they move to the other place. The distance of the travel can be around 25 miles.
- They migrate because of high or very low temperature conditions or unavailability of food.
- Bar headed geese migrate from Himalaya to south Asia in winter season.
- They travel 1000 miles.
- The condition of this place when becomes unfavorable they again move to the Himalayas.
Biology
The phenomenon in which animals go into a deep sleep is known as
- Hibernation and aestivation are also types of behavioural adaptation.
- During winters animals show hibernation.
- They avoid normal activities like hunting or roaming.
- Also they slower their metabolic rate, heart rate and breathing rate.
- So that they can save their energy.
- Most of the bears and snakes go into a deep sleep.
The phenomenon in which animals go into a deep sleep is known as
BiologyGrade-8
- Hibernation and aestivation are also types of behavioural adaptation.
- During winters animals show hibernation.
- They avoid normal activities like hunting or roaming.
- Also they slower their metabolic rate, heart rate and breathing rate.
- So that they can save their energy.
- Most of the bears and snakes go into a deep sleep.
