Central Idea Evolution Main Branches Types Of Selection Natural Selection Artificial Selection Sexual Selection Evidence Supporting Evolution Fossil Record Comparative Anatomy Homologous Structures Analogous Structures Molecular Biology Biogeography Theories Theory Of Evolution Charles Darwin'S Evolution Theory Lamarck'S Evolution Theory Speciation Allopatric Speciation Sympatric Speciation Response To Environmental Changes Population Dynamics Species Adaptation Mechanisms Of Evolution Cladograms 4 Steps Of Natural Selection Importance Of Variation

Natural Selection

Process where organisms better adapted to their environment tend to survive and reproduce.

Artificial Selection

Selective breeding of plants and animals to promote the occurrence of desirable traits.

Sexual Selection

Selection of mates based on specific traits leading to changes in a species.

Fossil Record

Provides evidence of past life and evolution through preserved remains.

Comparative Anatomy

Study of similarities and differences in the anatomy of different species.

Homologous Structures

Structures in different species that are similar due to common ancestry.

Analogous Structures

Structures in different species that have similar functions but different origins.

Molecular Biology

Study of biological molecules to understand evolutionary relationships.

Biogeography

Study of the distribution of species and ecosystems in geographic space.

Theory of Evolution

Explanation of the diversity of life on Earth through descent with modification.

Allopatric Speciation

Speciation that occurs when a population is geographically isolated.

Sympatric Speciation

Speciation that occurs without geographic isolation.

Population Dynamics

Study of changes in population size and composition.

Species Adaptation

Process by which a species becomes better suited to its environment.

Cladograms

Diagrams showing evolutionary relationships among a group of organisms.

4 Steps of Natural Selection

Variation, Inheritance, Selection, Time.

Importance of Variation

Genetic diversity within a population that allows for adaptation to changing environments.