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Search Resources (2 Results)
  Resource NameRatingViews
Lecture Notes | Approved: 7 years ago | 33.11 kB | Comments: 0
Category: Biology | Downloaded: 0
...families, new kingdoms). Speciation is the keystone...
...two patterns of speciation: anagenesis and cladogenesis....
...B. Modes of Speciation Two general modes...
...general modes of speciation are distinguished by...
...interrupted. In allopatric speciation, geographic separation of...
...flow. In sympatric speciation, speciation occurs in...
...In sympatric speciation, speciation occurs in geographically...
...flow. 1. Allopatric speciation: Geographic barriers can...
...likelihood of allopatric speciation increases when a...
...question about allopatric speciation is whether the...
...Flurries of allopatric speciation occur on island...
...islands, permitting other speciation episodes. For example:...
...isolation permitted additional speciation episodes. The evolution...
...invasions and allopatric speciation have ignited an...
...geographic isolation. Also, speciation is not due...
...summary, in allopatric speciation, new species form...
...hybrids. 2. Sympatric speciation: A new species...
...species In sympatric speciation, new species arise...
...In plants, sympatric speciation can result from...
...mechanism for allopolyploid speciation in plants involves...
...disease. While polyploid speciation does occur in...
...contribute to sympatric speciation in animals. Sympatric...
...in animals. Sympatric speciation can result when...
...mate preferences. Sympatric speciation is one mechanism...
...would indicate that speciation occurred relatively recently....
...relatively recently. Sympatric speciation requires the emergence...
...In animals, sympatric speciation may occur when...
...the tempo of speciation Traditional evolutionary trees...
...may reflect allopatric speciation. If a new...
...the tempo of speciation is not constant....
...interval. C. From Speciation To Macroevolution Speciation...
...Speciation To Macroevolution Speciation is at the...
...and natural selection. Speciation occurs when a...
...changes after any speciation event may be...
...over millions of speciation episodes must account...
...analogous to individuals. Speciation is their birth,...
...the extent that speciation rates and species...
N/A 166
Outline | Approved: 7 years ago | 130.5 kB | Comments: 0
Category: Anatomy | Downloaded: 0
...these young islands. Speciation—the process by which...
...of biological diversity. Speciation forms a conceptual...
...asking. Concept 24.2 Speciation can take place...
...general modes of speciation are distinguished by...
...interrupted. In allopatric speciation, geographic separation of...
...flow. In sympatric speciation, speciation occurs in...
...In sympatric speciation, speciation occurs in geographically...
...flow. In allopatric speciation, geographic barriers can...
...evidence of allopatric speciation. For example, biogeographic...
...diverge. In sympatric speciation, a new species...
...species. In sympatric speciation, new species arise...
...In plants, sympatric speciation can result from...
...biological species. Polyploid speciation occurs occasionally in...
...formed by polyploid speciation. Such speciation may...
...polyploid speciation. Such speciation may be rapid...
...lead to sympatric speciation in animals. Polyploid...
...in animals. Polyploid speciation occurs in animals,...
...contribute to sympatric speciation in animals. Reproductive...
...as subspecies, sympatric speciation is under way....
...under way. Sympatric speciation can also be...
...sexual selection. Sympatric speciation is one mechanism...
...summary, in allopatric speciation, a new species...
...reestablish contact. Sympatric speciation requires the emergence...
...mechanism of sympatric speciation is hybridization between...
...In animals, sympatric speciation may occur when...
...food source. Sympatric speciation may also result...
...Apart from rapid speciation, there are three...
...The process of speciation may reverse, causing...
...time. Concept 24.4 Speciation can occur rapidly...
...fundamental questions about speciation. How long does...
...the timing of speciation in specific taxa....
...is likely that speciation in such groups...
...studies suggest that speciation can take place...
...place rapidly. Rapid speciation produced the wild...
...total time between speciation events (from the...
...divergence to complete speciation) varies considerably. A...
...the interval between speciation events ranged from...
...the time between speciation events averaged 6.5...
...a mass extinction. Speciation begins only after...
...thus reversing the speciation process. How many...
...has led to speciation. Researchers transferred the...
...In other cases, speciation may be influenced...
...reproductive isolation and speciation. As repeated speciation...
...speciation. As repeated speciation events lead to...
...changes after any speciation event may be...
...over millions of speciation episodes leads to...
N/A 199
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