Examlex
Identify and state the historical significance of the following:
-"fourth party system"
Directional Selection
Directional selection refers to a process in evolutionary biology where an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.
Hawaiian Honeycreepers
A group of small, colorful birds native to Hawaii, known for their diverse beak shapes and sizes, adapted to different feeding habits and ecological niches.
Ecological Niches
The role and position a species occupies in its environment, including all interactions with biotic and abiotic factors.
Monophyletic Group
An ancestor in which a derived trait evolved, together with all of its descendants.