#Question id: 10751
#Section 2: Evolution
Possible interaction between populations in following manner ,which of the following best represent for negative ineteracion ?
#Question id: 10616
#Section 1: Ecology
In a study of tree dispersion in a forest, we divided the forest into 1 sq km grid cells, choose 50 of them at random, and counted the number of trees in each cell. The means to variance ratio of the counts of trees per cell was much less than 1. What does this tell us about the spatial distribution of the trees?
#Question id: 16770
#Section 5: Applied Ecology & Evolution
#Question id: 10626
#Section 2: Evolution
Following is a hypothetical life table of species.
Following some statement is given
A- Proportional of survive is constant over different age group
B- Greater mortality in young age
C. Follow type II survivorship curve
D. Follow type III survivorship curve
Which of the following above statement is correct?
#Question id: 3255
#Section 2: Evolution
The body weight of offspring of bird species is range between 12 gm to 18 gm. In a laboratory experiment, species was subjected to selection pressure having influence on the offspring body weight. After many generations of experimental selection pressure, the body weight range between 16 gm to 24 gm. Which of the following natural selection operate on this species?