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...
Digestion and Absorption of Food
The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..
Regulation of Organic Metabolism, Growth and Energy Balance
The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..
Plant Cell Defense
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
The Dinosaurs
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
Plant Tissues
Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..
Human Reproduction
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
