#Question id: 11410
#Section 5: Applied Ecology & Evolution
Biodiversity hot spots, those areas with the greatest number of endemic species. Which of the following criteria to qualify as a hot spot region?
A. It must contain at least 1,500 species of vascular plants as endemics
B. It must have lost at least 70% of its original habitat
C. It must contain at least 500 species of bird species
D- It must contain high numbers of species
#Question id: 10599
#Section 1: Ecology
In a type I survivorship curve characterized by:
#Question id: 9198
#Section 5: Applied Ecology & Evolution
Tropical forests are being converted to farm or pasture land at an alarming rate, and one major focus is on the biodiversity and the impact to these ecosystems. What is a direct benefit to humans that helps explain why these forests need to be preserved?
#Question id: 3422
#Section 2: Evolution
Micro-evolution is the term used for changes in allele frequencies that occur over time.
A) It gives rise to changes in the gene pool, which results in few changes in the same species
B) It occur above species level
C) New addition, deletion in the genetic structure, resulting in the formation of new species
D) It changes occurs over short time scales
Which of the following combinations is correct?
#Question id: 3393
#Section 2: Evolution
Natural Selection can maintain a polymorphism when
a. heterozygote is fitter than the homozygote
b. Fitnesses of genotypes are negatively frequency dependent.
c. Fitnesses of genotypes are positive frequency dependent.
d. One homozygote is fitter than the heterozygote