Advertisements
Advertisements
प्रश्न
Animals that can move from fresh water to sea called as ________.
पर्याय
Stenothermal
Eurythermal
Catadromous
Anadromous
Advertisements
उत्तर
Animals that can move from fresh water to sea called as Catadromous.
संबंधित प्रश्न
What is an age-pyramid?
Study the flow chart given below and complete the equation that follows by identifying 1, 2, 3 and 4.
Nt + 1 = Nt + {(1+ 2) − (3 + 4)}
Give an account of population regulation.
Measures of ‘Central tendency’ refer to:
Age distribution in a population can influence
The following diagrams are the age pyramids of different populations. Comment on the status of these populations.
Given below is the Age Pyramid of the population in one of the states in India as per 2011 census. It depicts the male population on the left-hand side, female population on the right-hand side, newborns towards the base and gradually increasing age groups as we move from base to the top, with the oldest population at the top. Study this pyramid and comment upon the appropriateness of the Assertion and the Reason.
Percentage to the total population
Assertion: It is a stable population.
Reason: The pre-reproductive and reproductive individuals are almost in equal numbers and the post-reproductive individuals are relatively fewer.
Write the best method to measure the population density of a single Banyan tree in comparison to Partlzenium weeds in a forest by an ecologist. Explain and justify your answer.
What would be the best method to measure the total population density of a dense bacterial culture in a petridish and why?
Identify the type of pyramid given above. Write the identifying feature on the basis of which you identified it.
