The process of natural selection involving the genome for a species directionally choosing certain genes to remain prominent in the species, such as a growth in size in response to predation.
Dictionary > Directional Selection
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Directional Selection
The process of natural selection involving the genome for a species directionally choosing certain genes to remain prominent in the species, such as a growth in size in response to predation...
Community Patterns
Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..
Chromosomes X and Y and Sex Determination
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
Effect of Chemicals on Growth & Development in Organisms
Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..
Lotic Communities & Animals
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
A Balanced Diet – Carbohydrates and Fat
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..
Ecological Research: Measuring & Analysis
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
