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More - Ralph Catalano Quotes

You get rid of the weak, and on average the cohort lives longer. - Ralph Catalano Quotes

You get rid of the weak, and on average the cohort lives longer.

During the Kobe earthquake in Japan, sex ratio drops. The collapse of the east German economy, sex ratio drops. The major smog in London in 1952, sex ratio dropped. Variation in the economy such that you get very bad economic times in Sweden over a century and a half, sex ratio drops. - Ralph Catalano Quotes

During the Kobe earthquake in Japan, sex ratio drops. The collapse of the east German economy, sex ratio drops. The major smog in London in 1952, sex ratio dropped. Variation in the economy such that you get very bad economic times in Sweden over a century and a half, sex ratio drops.

One argument is that it was conserved to help us lift buses off of pedestrians who just got hit. My belief is that nature conserved the stress mechanism because of its effect on gestation. Natural selection doesn't care about individuals, it just wants poundage and conservation of genes. It found a way to maximize the pounds and the genes. - Ralph Catalano Quotes

One argument is that it was conserved to help us lift buses off of pedestrians who just got hit. My belief is that nature conserved the stress mechanism because of its effect on gestation. Natural selection doesn't care about individuals, it just wants poundage and conservation of genes. It found a way to maximize the pounds and the genes.

The argument is that in most species, males will compete with each other for females, and females prefer robust males. - Ralph Catalano Quotes

The argument is that in most species, males will compete with each other for females, and females prefer robust males.

It's not in her evolutionary interest to have a weak son in times of stress. He may not survive or may not be competitive for females. - Ralph Catalano Quotes

It's not in her evolutionary interest to have a weak son in times of stress. He may not survive or may not be competitive for females.

Statistically, it is clearly true; compared to men, (women) are biological fortresses. - Ralph Catalano Quotes

Statistically, it is clearly true; compared to men, (women) are biological fortresses.

Men

We can never use humans to directly test out the theories. We can only make inferences based on natural observation. - Ralph Catalano Quotes

We can never use humans to directly test out the theories. We can only make inferences based on natural observation.

The culled-cohort theory is based on the assumption that it is not in the mother's interest to have small or weak male offspring during times of stress. Weak males are less likely to survive to age of reproduction. Even if they do survive, they must then compete with strong males for females. - Ralph Catalano Quotes

The culled-cohort theory is based on the assumption that it is not in the mother's interest to have small or weak male offspring during times of stress. Weak males are less likely to survive to age of reproduction. Even if they do survive, they must then compete with strong males for females.

These findings demonstrate yet again that we need not go to museums of natural history to find evidence of natural selection. - Ralph Catalano Quotes

These findings demonstrate yet again that we need not go to museums of natural history to find evidence of natural selection.

Because male fetuses are more fragile than female fetuses, they are more likely to be damaged. - Ralph Catalano Quotes

Because male fetuses are more fragile than female fetuses, they are more likely to be damaged.

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