7

Question summary: is dam building learned or instinctive in beavers? A blog post from 2011 references an article in the Juneau Empire titled Running water is sound of spring for beavers. This article is no longer hosted on the Juneau Empire website, but archived versions are available. Here's an excerpt (emphasis mine) -- Swedish biologist Lars Wilsson ...


2

What you are describing is exactly how long-term potentiation/LTP (or depression/LTD, for that matter) is measured electrophysiologically. Here's an example from a 1988 review by Nicoll et al: Nicoll, R. A., Kauer, J. A., & Malenka, R. C. (1988). The current excitement in long term potentiation. Neuron, 1(2), 97-103. The x-axis is time in minutes, the ...


2

The key point you're missing is that perfection is a variable, or perhaps more accurately, a function of many variables that depend on environmental factors and the actions of other species. Even tardigrades have evolved a multitude of different species*, suited to different environments and lifestyles. And apparently they don't do all that well in hot ...


2

My question is that if the aim of life in general is to ensure the continuity of the species That is not the aim of either life or evolution. Rather individuals have the goal of surviving and genes have the aim of replicating themselves. Individuals that survive get a chance to replicate their genes. As for why all other organisms that are not ceased ...


1

Ants can usually learn patterns, colors and sequences. Species that do not use pheromone trails rely heavily on landmarks for navigation, that is they perform learning walks during which they look backward and circle around the nest to learn what the landscape looks like so they can easily return to the nest after foraging. Harris, R. A., de Ibarra, N. H.,...


Only top voted, non community-wiki answers of a minimum length are eligible