E. coliperceive gradients of nutrition directly without an “internal” comparison process (see Pittenger and Dent1988). Cells within organisms do not perceive; they are not organisms, but, rather, subcomponents of organisms. All animal organisms are agents...
The eventual evolution of living organisms on earth is based upon the following theory: during the early stages of the earth's history the chemical characteristics of the world changed as the conditio Name three ways that the science of biology has/does, or might impact yo...
A population is a collection of organisms from the same species that interbreed and exist in the same location at the same time. They have the ability to interbreed or reproduce. The population includes the interaction of individuals with each other and the environment....
You’ve got to rape before you get raped. This method of reproduction can and does cause injury to the rape “victim” which could lead to infection and other issues. Not exactly ideal from a fitness perspective. And this is why sexually reproducing organisms have evolved a binary gender dyn...
“Humans inherently avoid dangerous organisms such as bees, but children these days avoid even harmless insects such as butterflies and dragonflies (蜻蜓),” he says. “I have long wondered why so many of today’s children react like this.” F) Although the children’s reactions were ...
He was afraid that the fishermen could not pay back the money because the catches of crustacean species in the village were depleting over time. I had to capture all the swimming crabs, sir. You joined me yesterday, how hard it was to get the swimming crabs. Even if we waited for two...
the partners we choose (and the in-laws we don’t) to the food we eat and the jobs we pursue. Next time you’re looking back through your family history and begin to worry about how long you have left, remember that you have much more control over your lifespan than you think!
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When we think about predator and prey in the wild, we rarely think of plants as fitting into the same paradigm, but they do! Remember that every herbivore and omnivore on the planet (organisms that eat plants) are predators from the perspective of plants! Furthermore, aside from sentient pr...
There is a quote, much celebrated by activists, cynics, and political science students the world over that I think could use a second look: “It is no measure of good health to be well-adjusted to a profoundly sick society.”