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A free, online, inquiry-based biology lab using models to simulate the natural world in the way living things respond to changing conditions.
This model is an agent-based population genetics simulation. The program contains the tools to conduct virtual experiments violating all the assumptions of Hardy-Weinberg theory (small population, selection, mutation, migration, and non-random mating).
On a global scale, biodiversity is being lost at an alarming rate, largely due to habitat destruction. In this section there are models that explore biodiversity equilibrium, and provide data for various estimates of biodiversity. Models are best viewed on large screens and landscape modes.
Understanding how and why populations change over time is critical to such wide-ranging practical issues as pest control, endangered species protection, and even human population growth. In this section there are models exploring population growth and how to estimate population sizes.
Rather, membranes are biologically active. They regulate transport of compounds, interact with other cells, and are involved in cell signaling. Models in this section will explore these various functions of membranes. Models are best viewed on large screens and landscape modes.
A major focus of community ecology explores interactions between species such as predator-prey relationships, competition, and mutualism. Another area of community ecology looks at how the composition of species in an area changes over time (succession).
What is a browser? Microsoft Internet Explorer Mozilla Firefox Google Chrome Apple Safari Google Chrome Frame for Internet Explorer.
What is a browser? Microsoft Internet Explorer Mozilla Firefox Google Chrome Apple Safari Google Chrome Frame for Internet Explorer.
What is a browser? Microsoft Internet Explorer Mozilla Firefox Google Chrome Apple Safari Google Chrome Frame for Internet Explorer.
While there are many factors that can affect allele proportions in a population, selection is thought to be among the most powerful. Selection effectively shapes the heritable physiology, morphology, and behaviors of populations through differential reproduction among individuals.