Teaching evolution at a catholic school

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That’s even more shocking. I did my high school biology in semi-rural Georgia circa 1974 and I don’t recall that being explicitly taught. Of course a lot of people (mostly non-educators) said it anyway, but some still are today.
 
Buffalo - I queried you as above a while back. You may have overlooked this question?
When a lineage split happens there is one that that becomes more brittle in terms of its ability to adapt. Without this adaptability it cannot cope with environmental changes as its parents were. This leads to extinction.
 
shrug I don’t know how it came to be taught that way in my school. I always put it down to the school being in a rural location with older books and resources paired with teachers who had been teaching those classes for a long time.

I know the school has had a change administrations by now and has had an update, so hopefully things are different now.
 
For that error to be taught in a public school shocks and saddens me. When was this? Knowing where would be nice as well, but if you want to keep that to yourself for privacy concerns I will respect it.
Over and over another poster would demonstrate what textbooks still are teaching about evolution and the continued flaws. Educational science is still not current.
 
Bad and out of date textbooks and bad school boards do not impact the actual current science, which you simply deny with no real basis. I am done. plonk (sound of a poster landing in the Ignore bucket).
 
As I pointed out in an earlier post the distinction between macro and micro was by an evolutionist.

Your ecoli reference is not correct. In actuality the bacteria have gained a temporary benefit by breaking genes which confers a long term survival disadvantage. I refer to this as devolution.
It was an early (1920’s) theory which was superseded within 10 years. Religious people are the only ones still clinging to the distinction.

There are plenty of other examples:
Not even the only example.
Goatsbeard was observed to evolve into a new species in the wild after being imported to America:
https://www.jstor.org/stable/2438023?seq=1

Fruit flies were observed to speciate:
https://www.jstor.org/stable/24987133?seq=1
More than once:
Species of Drosophila | Science

Ferns were observed evolving from 2 sets of chromosomes (diploid) to 4 (tetraploid).
https://bsapubs.onlinelibrary.wiley.com/doi/abs/10.1002/j.1537-2197.1992.tb14611.x
 
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Remember, species is a manmade distinction.

Rewrite: Ferns were observed adapting from two sets to four.
 
Remember, species is a manmade distinction.

Rewrite: Ferns were observed adapting from two sets to four.
So you defeat yourself then. If species are “manmade distinctions” and not something inherent in nature, then when you define the micro/macro difference in terms of new species, the distinction is just as manmade and arbitrary.
 
So you defeat yourself then. If species are “manmade distinctions” and not something inherent in nature, then when you define the micro/macro difference in terms of new species, the distinction is just as manmade and arbitrary.
Taxonomics is a manmade classification system. Speciation is the loss of a former ability once had. The organism becomes more brittle and less adaptable.

Nope. Claiming speciation will result in bacteria to man evolution is the issue. Having more species (lineage splitting) is not an argument for macro.

Micro is adaptation and variation within. Macro is going up the ladder from species to higher taxonomic classes. What we observe is genetic entropy resulting in organisms that are lesser than their predecessors. Speciation is actually devolution. Simply looking at one mutation that confers a temporary survival benefit without looking at the damaging effect of this on the long term viability is a mistake. It is like the boat is sinking so lets throw everything we can overboard to save ourselves. Throwing the engines overboard will render the boat useless for its purpose, but it floats a little longer.
 
Find a single reputable scientific source that agrees with this definition.
So you do not think that losing the ability to reproduce is not a loss of ability once had?

Speciation , the formation of new and distinct species in the course of evolution . Speciation involves the splitting of a single evolutionary lineage into two or more genetically independent lineages. source speciation | Causes, Process, & Types | Britannica
 
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