Class 12 | Biology | chapter 14| Organisms and Populations
The logistic population growth is expressed by the equation :
Class 12 | Biology | chapter 14| Organisms and Populations
Class 12 | Biology | chapter 14| Organisms and Populations
Asymptote in a logistic growth curve is obtained when 1. The value of 'r' approaches zero 2. K = N 3. K > N 4. K < N
Class 12 | Biology | chapter 14| Organisms and Populations
Which of the following statement(s) is/are correct? (i) Organisms living in oceans, lakes and rivers do not face any water-related problems. (ii) Euryhaline can tolerate a wide range of salinities. (iii) Stenohaline are restricted to a narrow range of salinities. (iv) No fresh water animals cannot live for long in sea water but sea animals can live in fresh water for long time because of osmotic balance. (v) The salt concentration is less than 5% in inland water, 30-50% in sea and >100% in some hypersaline lagoons.
Class 12 | Biology | chapter 14| Organisms and Populations
Which of the following statement(s) is/are correct? (i) Organisms living in oceans, lakes and rivers do not face any water-related problems. (ii) Euryhaline can tolerate a wide range of salinities. (iii) Stenohaline are restricted to a narrow range of salinities. (iv) No fresh water animals cannot live for long in sea water but sea animals can live in fresh water for long time because of osmotic balance
Class 12 | Biology | chapter 14| Organisms and Populations
Diapause (1) Is a suspended development stage in zooplanktons (2) Can be seen in most of the fishes (3) Is seen in all sea animals (4) Is present in phytoplanktons
Class 12 | Biology | chapter 14| Organisms and Populations
Organisms And Populations - A concise set of notes for quick reference.
Class 12 | Biology | chapter 14| Organisms and Populations
Organisms and Populations Notes (9 min Read)
