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Organisms And Populations

Question

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Make a table showing behavioural strategies of adaptations in animals.

Solution

Behavioural Strategies of Adaptations in Animals

Adaptation	Example	Process and mechanism
Hibernation	Northern ground squirrels	Sleep during winter; body temperature drops, breathing and heart beat becomes slow.
Aestivation	Ground squirrels in southwest deserts	Avoids heat by spending dry-hot period in a torpid state into burrows.
Camouflage	Praying mantis	Mimics a dead leaf and resembles background vegetation.

Some More Questions From Organisms and Populations Chapter

Which of the following interaction both species suffer ?

In which of the following interaction both species are benefitted ?

Fill in the blanks with suitable words :

1. The optimal capacity of the organism to produce offspring is called........................

2. Rapid increase in human population is called........................

3. Mathematical expression of the growth of population is called........................

4. Yeast cells grown in a culture medium show........................growth curve.

5. Main cause of population explosion is........................

State true or false :

Coin one word for the following statements :
1.Organism that can tolerate only a narrow range of salinity.

2. Plants that can survive a wide range of temperature.

3. Interaction of two species in which one is benefited while other is neither benefited nor harmed.

4. Number of births during a given period in the population that are added to the initial density.

5. the process of maintaing a constant body temperature.

A few organisms can tolerate and thrive in a wide range of temperature, they are called........................

Majority of organisms are restricted to a narrow range of temperature, such organisms are called ........................

The organisms ideally try to maintain the constancy of its internal environment by the process called........................

Mammals from colder climates have shorter ears and limbs to minimize heat loss. This rule is called........................

The parasites that feed on external surface of host organisms are called ........................

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