Biology
Grade-10
Easy
Question
Which of the following given options are for the stabilized ecosystem?
- P - R = 1
- < 1
- > 1
- = 1
Hint:
The ratio of photosynthesis to respiration, i.e., P/R is equal to 1 for a stabilized ecosystem.
The correct answer is: P - R = 1
An ecosystem is said to possess ecological stability if it is capable of returning to its equilibrium state after a perturbation or does not experience unexpected large changes in its characteristics across time.
Related Questions to study
Biology
____ structure can be seen in the diminishing population.
____ structure can be seen in the diminishing population.
BiologyGrade-10
Biology
Which of the following is an essential element that influences species population?
Which of the following is an essential element that influences species population?
BiologyGrade-10
Biology
Which of the following defines the increase of population?
Which of the following defines the increase of population?
BiologyGrade-10
Biology
If in a given population an increase in the population of a particular predator occurs, then there is often _______ its prey.
If in a given population an increase in the population of a particular predator occurs, then there is often _______ its prey.
BiologyGrade-10
Biology
What is carrying capacity of environment?
What is carrying capacity of environment?
BiologyGrade-10
Biology
The average life expectancy around the world is ____.
The average life expectancy around the world is ____.
BiologyGrade-10
Biology
What is world's population?
What is world's population?
BiologyGrade-10
Biology
Which of the following is used to calculate maximum load of an environment?
Which of the following is used to calculate maximum load of an environment?
BiologyGrade-10
Biology
____ dynamics refers to how a species population vary over time.
____ dynamics refers to how a species population vary over time.
BiologyGrade-10
Biology
If r - selected species find favourable environment they generate ____ number of offspring.
If r - selected species find favourable environment they generate ____ number of offspring.
BiologyGrade-10
Biology
Which of the following can be said for r - selected species?
Which of the following can be said for r - selected species?
BiologyGrade-10
Biology
r- selected species expand ____.
r- selected species expand ____.
BiologyGrade-10
Biology
Very fast decline of a population due to very high mortality rate is known as:
Very fast decline of a population due to very high mortality rate is known as:
BiologyGrade-10
Biology
What is dissociative reproductive pattern?
What is dissociative reproductive pattern?
BiologyGrade-10
Biology
K - selected species generate ____ offspring.
K - selected species generate ____ offspring.
BiologyGrade-10