Quotes About Biology

Am I the same person i was fifty years ago? Every molecule and cell of my body has been replaced many times over.

All the complex life-forms that we see were formed through symbiogenesis, a term coined by the person who first recognized its existence, Lynn Margulis.

Symbiogenesis is the formation of more complex life-forms from the union of two dissimilar, simpler ones.

One finding is important for understanding the nature of our sexuality as men. That is that male infants, in the womb, have regular erections—so do male infants after birth. Our sexuality is as much a part of us as breathing, our need for food, our need for love.

Although in principle we know the equations that govern the whole of biology, we have not been able to reduce the study of human behavior to a branch of applied mathematics.

it seems that we are no more than biological machines and that free will is just an illusion.

I think computer viruses should count as life.

Nitekim kuantum mekaniÄŸi televizyon ve bilgisayar gibi elektronik aletlerin temel bileÅŸenleri olan transistörlerin ve mikroçiplerin davran???na hükmettiÄŸi gibi, modern kimyan?n ve biyolojinin de temelini oluÅŸturur.

A living being like you or me usually has two elements: a set of instructions that tell the system how to keep going and how to reproduce itself, and a mechanism to carry out the instructions.

A living being like you or me usually has two elements: a set of instructions that tell the system how to keep going and how to reproduce itself, and a mechanism to carry out the instructions. In biology, these two parts are called genes and metabolism.

En cierto modo, la especie humana necesita mejorar sus cualidades mentales y físicas para tratar con el mundo cada vez más complejo que lo rodea y afrontar nuevos desafíos como los viajes espaciales. Y también necesita aumentar su complejidad si los sistemas biológicos deben mantenerse por delante de los sistemas electrónicos. Por el momento, los ordenadores nos aventajan en velocidad, pero no muestran signos de inteligencia.

Astronomy defined our home as a small planet tucked away in one corner of an average galaxy among million; biology took away our status as paragons created in the image of God; geology gave us the immensity of time and taught us how little of it our own species has occupied.

Some fifteen to twenty Burgess species cannot be allied with any known group, and should probably be classified as separate phyla. Magnify some of them beyond the few centimeters of their actual size, and you are on the set of a science-fiction film...

Consider the magnitude of this... Taxonomists have described almost a million species of arthropods, and all fit into four major groups; one quarry in British Columbia, representing the first explosion of multicellular life, reveals more than twenty additional arthropod designs!

The history of life is a story of massive removal followed by differentiation within a few surviving stocks, not the conventional tale of steadily increasing excellence, complexity, and diversity.

Thus, physics and astronomy relegated our world to a corner of the cosmos, and biology shifted our status from a simulacrum of God to a naked, upright ape.

Por qué el origen de la vida pluricelular se dio en forma de un corto pulso a través de tres faunas radicalmente diferentes , y no como un aumento lento y continuo de complejidad? La historia de la vida es infinitamente fascinante, infinitamente curiosa, pero ciertamente no es la sustancia de nuestros pensamientos y esperanzas usuales.

The nematode enters the insect's mouth, anus, or spiracle and migrates into the hemocoel. There the nematode injects millions of bacterial symbionts from its own intestine into the insect's circulatory system. These bacteria, though harmless to the nematode, kill the insect within hours.

Humans were built to look back; that's why we have that swivel joint in our necks

To his way of thinking, the only thing more natural than death was sex.

Dr. John Nash Ott had discovered by 1987 that glass, artificial light sources, electricity and electronic systems were having extensive detrimental effects on plants, animals and humans.

Biology gives you a brain. Life turns it into a mind.

My wife could turn to me and she may say, 'Why do you love me?' And I can with all honesty look her in the eye and say, 'Because our pheromones matched our olfactory receptors.'

Love lasts about seven years. That's how long it takes for the cells of the body to totally replace themselves.