'Habitat differentiation' diaporamas de présentation

The Origin of Species

The Origin of Species. chapter 24 Campbell and Reece. Speciation. process by which one species splits into 2 or more species Speciation explains both the diversity of life and the unity of living things. Speciation : forms bridge between:. MICROEVOLUTION

929 views • 72 slides

Chapter 24

536 views • 39 slides

CHAPTER 24

CHAPTER 24. THE ORIGIN OF SPECIES. 1. OVERVIEW. A. Speciation Is defined as the origin of new species (process by which one species splits into two or more species) Is at the focal point of evolutionary theory which must explain how new species originate and how populations evolve

661 views • 37 slides

Speciation

Speciation. Chapter 25. Speciation. Speciation: the creation of new species. May occur in a population due to: reduced gene flow Mutation genetic drift natural selection Distinct species usually derive from one ancestral group. Speciation.

1.25k views • 36 slides

Speciation

Speciation. The formation of new species. The Biological Species Concept. In evolutionary terms a species is a group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring; they do not breed successfully with other populations.

568 views • 19 slides