Select the correct statement from the following:

Darwinian variations are small and directionless

Fitness is the end result of the ability to adapt and gets selected by nature

All mammals except whales and camels have seven cervical vertebrae

Mutations are random and directional

Solution

Fitness is the end result of the ability to adapt and gets selected by nature

Fitness (survival of the fittest) is a result of selection and proliferation of only those organisms which were most suitably adapted to the environment and get selected by nature.

Some More Questions From Organisms and Populations Chapter

The departure of a individual from a population is called :

In which interaction only one species is benefitted while the other species is neither harmed nor benefitted ?

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.

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Organisms And Populations

Select the correct statement from the following:

Darwinian variations are small and directionless

Fitness is the end result of the ability to adapt and gets selected by nature

All mammals except whales and camels have seven cervical vertebrae

Mutations are random and directional

Some More Questions From Organisms and Populations Chapter

The departure of a individual from a population is called :

In which interaction only one species is benefitted while the other species is neither harmed nor benefitted ?

Which of the following interaction both species suffer ?

In which of the following interaction both species are benefitted ?

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

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For Daily Free Study Material Join wiredfaculty

Organisms And Populations

Select the correct statement from the following: Darwinian variations are small and directionless Fitness is the end result of the ability to adapt and gets selected by nature All mammals except whales and camels have seven cervical vertebrae Mutations are random and directional

Some More Questions From Organisms and Populations Chapter

The departure of a individual from a population is called :

In which interaction only one species is benefitted while the other species is neither harmed nor benefitted ?

Which of the following interaction both species suffer ?

In which of the following interaction both species are benefitted ?

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

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Select the correct statement from the following:

Darwinian variations are small and directionless

Fitness is the end result of the ability to adapt and gets selected by nature

All mammals except whales and camels have seven cervical vertebrae

Mutations are random and directional