#Question id: 10598
#Unit 10. Ecological Principles
In a wild life reserve, we have two species of mammal. Species A reproduce thrice a year and produced 6-10 offspring per litter. Species B reproduce once in 2-3 year and produced 1-2 offspring during each cycle of reproduction. Which of the following statement is true?
#Question id: 10599
#Unit 10. Ecological Principles
In a type I survivorship curve characterized by:
#Question id: 10600
#Unit 10. Ecological Principles
Which of the following is not feature of Type II survivorship curve?
#Question id: 10601
#Unit 10. Ecological Principles
following some statement are given about Grime’s triangle that is alternative to r and K selection is correct?
A. Ruderals are adapted to take advantage of habitat disturbance, but these are less competitor
B. Any species cannot be a good stress tolerator and a good competitor at the same time
C. Mangroves and lichens are good stress tolerant and also good adopted to disturbance
D. Many perennial herbs are good adapted to habitat disturbance, but these are less competitor
Which one of the following options represents a combination of correct statements?
#Question id: 10602
#Unit 10. Ecological Principles
What are size of female population of butterfly (Breed once and one year life span ) after two year ?
Nt = 20 (initial population ) Nt+2 =?
Ro=1.5 number of female produced per female per generation
#Question id: 10603
#Unit 10. Ecological Principles
The population size of a bird increased from 600 to 700 in one year. If the per capita birth rate of this population is 0.50, what is its per capita death rate?