Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monosperma) have overlapping ranges. If pollen grains (which contain sperm cells) from one species are unable to germinate and make pollen tubes on female ovules (which contain egg cells) of the other species, then which of these terms are applicable?
1. sympatric species
2. prezygotic isolation
3. postzygotic isolation
4. allopatric species
5. habitat isolation
6. reduced hybrid fertility
A) 1 and 2
B) 2 and 4
C) 1, 3, and 6
D) 2, 4, and 5
E) 1, 2, 5, and 6
Rocky Mountains of British Columbia
Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus
The Dall sheep, Ovis dalli, a mountain sheep of far northern North America, was the subject of one o
Rocky Mountain elk in Yellowstone National Park
Bernese Mountain Dog
Hulda Crooks, 91 climbing Mt. Fuji mountain