Biology 3466B Lecture : Evolution Notes

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purplejackal117

3 Feb 2012

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Origin mythology: there are thousands of different origin myths and there is one myth for physical and biological realms. Believes there is common descent of humans and animals. It invokes a designer (teleological), which is some entity that created humans and animals. The material world has a designer and serves a purpose. Philosophy: one explanation for physical and biological origins. Has materialistic/naturalistic concepts (focus on material world, not spiritual world) and there is an emphasis on chance (believed chance explained origin of world, humans, and animals). Chance - there are certain solid and indivisible particles carried along by their own impulse and weight, and that the universe is formed from the accidental concourse of those particles. Epicureans proposed that it was from minute particles possessing neither colour, nor any kind of quality, nor sensation, but coming together by chance and accident. Ancient greek philosophy: plato (424-328 bce) introduced concept of the ideal form.

Related Questions

1) What is the point of sequencing Neanderthal DNA?

To look at haplotypes, and how they compare to those in Modern Humans.

The point is only to learn more about all extinct species.

To find identifying genetic markers in populations.

To lay the Neanderthal and Human sequences side by side, base pair by base pair, and identify exactly where they diverge.

2)What is one of the main complications of sequencing the Neanderthal Genome?

There are no ccomplications with sequencing the Neanderthal genome.

Neanderthals lived to long ago to even think about havung any preserved genetic material.

Over time, DNA mutates. If too much time has passed, the DNA will not be the same as the original individual's.

Over time, DNA degrades and breaks down leaving only fragmented pieces of DNA.

3)In the last several thousand years, the majority of human evolution has NOT been

Physical

Cultural

The majority of evolution has not been happening in the last several thousand years.

Biological

4) Which of the following best describes the relationship between humans and other animals?

According to the evidence, humans share a common ancestor with primates and carnivores, but not with birds and reptiles.

Humans have existed longer than other animals. This explains our superiority and relative complexity.

We do not have enough evidence to create testable hypotheses about the relationship between humans and other animals.

Humans are primates, and share common ancestors with all other animals, including dinosaurs.

May you please explain the answers to the following question with support from concepts?

This course is called âEcology and Evolutionâ. How does ecology drive evolution? How does evolution influence ecology?

What is a scientific theory? How are quantitative models used to advance scientific theory? Pick either the HW law or the exponential growth equation and explain how variations of the model have been used to advance evolutionary and/or ecological theory.

Evaluate âsurvival of the fittestâ as a definition of natural selection and biological evolution. Why is this an unsatisfactory definition?

Various concepts have been proposed for things such as populations, species, niches, and communities. Why are these sorts of questions ultimately philosophical (esp. metaphysical) rather than biological? In formulating your response, use (at least) one of the above concepts as an example.

Evaluate âaccumulated historyâ as a definition of biological evolution. How does this definition compare to other definitions that were presented in the course? In your response, be sure to incorporate some discussion of the concept of exaptation, as well as the importance of historical contingency in micro and macroevolution.

peachpug638

I have no idea how to begin this, ill incorporate things from our course but some started would be helpful

In this class, weâve learned that human variation exists. What about race? While there are social and cultural consequences of racial classifications, it is clear there is no real, biological basis for racial categories. However, many people continue to believe there is a biological distinction among people of different ancestry. This view is often promoted by overtly racist groups.

How good of a job does our culture do of countering this false information with a better, more scientifically informed perspective? Many people already have a nuanced understanding of this topic and/or strong opinions, so please make sure you are using information from our class in your post. Address the following questions (or add in a perspective of your own) in an original post of at least 250 words and a response post to another student.

Does our culture reinforce or keep alive the idea that there are biological differences among races or does it actively oppose this idea? Try to be as specific as possible.

What are the differences between cultural and biological views of race and ancestry?

Why is it impossible to use biology to consistently sort people into races?

Biology 3466B Lecture : Evolution Notes

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