#Question id: 11651
#Section 1: Ecology
Succession on a newly exposed site that was not previously occupied by soil and vegetation refers to
#Question id: 9200
#Section 2: Evolution
During the inventory of bacterial genes present in the Sargasso Sea, a deep isolated area in the middle of the Atlantic Ocean, a research team concluded that at least 1,800 bacterial species were present. Based on what you might predict about the habitat structure of such an area, what kind of bacterial diversity would you expect to see in tropical coral reef waters?
#Question id: 5373
#General Aptitude
The average of first 10 natural number is :
#Question id: 10594
#Section 1: Ecology
Which of the following is not characteristic of ruderal species?
#Question id: 8294
#Section 2: Evolution
The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hearts (two atria, one ventricle). Birds and mammals, however, are alike in having four-chambered hearts (two atria, two ventricles). The fourchambered hearts of birds and mammals are best described as ________.