#Question id: 9188
#Section 2: Evolution
Which of the following are examples or parts of plantsʹ systemic acquired resistance against infection?
#Question id: 10698
#Section 1: Ecology
Parasite and predator have long been associated with their respective host and prey respectively. Which of the following is correct statement?
A. Body size of parasite is always smaller than host but predator usually larger than prey
b- Predator immediately kill their prey but parasite may or may not be kill their host
c- Intrinsic rate of parasite is faster than host but intrinsic rate of predator is slower than prey
d- Body association time between parasite and host is more than time association between predator and prey
#Question id: 4605
#Section 2: Evolution
Over long periods of time, many cave-dwelling organisms have lost their eyes. Tapeworms have lost their digestive systems. Whales have lost their hind limbs. How can natural selection account for these losses?
#Question id: 10616
#Section 2: Evolution
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: 16760
#Section 5: Applied Ecology & Evolution