The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show?

S-shaped or sigmoid growth of this insect

The food plants mature and die at the end of the rainy season

Its population growth curve is of J-type

The population of its predators increases enormously

Solution

Its population growth curve is of J-type

Its population growth curve is J-shaped in which density increases rapidly in exponential fashion and then stops abruptly as environmental resistance or another limiting factor becomes effective more or less suddenly.

Some More Questions From Organisms and Populations Chapter

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.

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Organisms And Populations

Some More Questions From Organisms and Populations Chapter

State true or false :

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 ........................

The parasites that live inside the body at different sites (liver, kidney, lungs, RBC etc.) are called........................

List two negative interactions between two species.

What is the term for cryptic-colouring in organisms to avoid being detected easily by the predator
?

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For Daily Free Study Material Join wiredfaculty

Organisms And Populations

Some More Questions From Organisms and Populations Chapter

State true or false :

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 ........................

The parasites that live inside the body at different sites (liver, kidney, lungs, RBC etc.) are called........................

List two negative interactions between two species.

What is the term for cryptic-colouring in organisms to avoid being detected easily by the predator?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

What is the term for cryptic-colouring in organisms to avoid being detected easily by the predator
?