Related Experiment Video
Updated: Mar 16, 2026
06:03
Procedure for Adaptive Laboratory Evolution of Microorganisms Using a Chemostat
Published on: September 20, 2016
15.4K
Natural search algorithms as a bridge between organisms, evolution, and ecology.
Andrew M Hein1, Francesco Carrara2, Douglas R Brumley2
1Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544; ahein@princeton.edu.
Summary
Organisms navigate to find essential targets like food and mates for survival. Recent research integrates biophysics, neuroscience, and ecology to better understand these fundamental search behaviors.
Area of Science:
- Systems biology
- Neuroscience
- Ecology
Background:
- Navigation and target searching are crucial for survival and reproduction across all living systems.
- Understanding the mechanisms of search behavior is key to comprehending organismal survival strategies.
Purpose of the Study:
- To highlight the integration of biophysics and neuroscience with ecological and evolutionary processes in studying search behavior.
- To propose new research avenues at the frontier of systems biology by connecting proximate mechanisms with ultimate causes.
Main Methods:
- Review of recent studies on the proximate mechanisms of search behavior.
- Integration of findings from biophysics, neuroscience, ecology, and evolutionary biology.
Main Results:
- A surge in studies investigating the detailed mechanisms of search behavior.
- Identification of opportunities to link sensory system function with ecological relevance.
Conclusions:
- Integrating diverse fields offers a powerful approach to understanding navigation and search.
- This interdisciplinary feedback loop opens exciting new avenues for systems biology research.
More Related Videos
Related Concept Videos
01:32What is Natural Selection?
131.8K
Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
131.8K
01:38Limits to Natural Selection
35.7K
Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.
35.7K
01:46Types of Selection
46.1K
Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
46.1K
02:16Genetics of Speciation
23.0K
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
23.0K
01:15Natural Selection and Adaptation
1.6K
Natural selection, a fundamental concept in evolutionary biology, is the mechanism by which evolution is driven, favoring organisms that are best adapted to their environments. This process enhances their chances of survival and reproduction. Adaptation, a key outcome of this process, involves genetic modifications that optimize an organism's functionality under specific environmental challenges, such as extreme cold or thinner air at high altitudes.
Beyond physical adaptations,...
Beyond physical adaptations,...
1.6K
02:55The Evidence for Evolution
49.8K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
49.8K