#Question id: 3368
#Section 2: Evolution
The origin of a new plant species by hybridization, coupled with accidents during nuclear division, is an example of
#Question id: 10571
#Section 2: Evolution
#Question id: 7701
#Section 2: Evolution
The various taxonomic levels (for example, phyla, genera, classes) of the hierarchical classification system differ from each other on the basis of ________
#Question id: 3458
#Section 2: Evolution
Which of the following examples reflects the concept of optimal foraging?
#Question id: 4651
#Section 2: Evolution
Some members of a photosynthetic plant species are genetically resistant to an herbicide, while other members of the same species are not resistant to the herbicide. Which combination of events should cause the most effective replacement of the non-herbicide-resistant strain of plants by the resistant strain?
1. The presence of the herbicide in the environment
2. The absence of the herbicide from the environment
3. The maintenance of the proper conditions for one generation
4. The maintenance of the proper conditions for many generations