Organisms and P...

Which of the following equations correctly represents Verhulast Pearl logistic growth?

In 2005, for each of the 14 million people present in a country, 0.028 were born and 0.008 died during the year. Using exponential equation, the number of people present in 2015 is predicted as 

In a life table, the number of individuals alive at the beginning of the 1 st year to 2 nd year interval is 800. During this interval, 200 individuals die. The death rate for this interval is 

Percentage of individuals of a given age group in a given population is called as 

Population of an insect species increases explosively during rainy season. It disappears at the end of the season due to

If in a population showing sigmoid growth curve the value of K - N/K is 0.95, then what is true for this population.

Study the following statements about Adamsia and select your option
A) It is a parasite on clown fish.
B) It is an example of commensalism along with clown fish. 
C) It is called sea anemone.
D) It is called hermit crab.

Multiple Choice Questions.
A sedentary sea anemone gets attached to tho shell lining of hermit crab. The association is

Read the following given examples.
(i) Plant-pollinator mutualism
(ii) African catfish in our rivers for aquaculture.
(iii) Fish species with its parasites
(iv) Nile perch and cichlid fish
Which out of these options correctly gives the examples of "Co-extinctions" as a cause of biodiversity loss?

Population density in India has shifted from 81 per sq. km. in 1921 to _______ per sq. km. in 2011.