Followers

Showing posts with label creation. Show all posts
Showing posts with label creation. Show all posts

Monday, October 24, 2016

A Theological and Scientific Conversation about Humans




A reader has asked: "What about the idea that the evolution of the human physical body from other primates is a possibility, as long as the soul is believed to have been directly created by God?"

Response from a Roman Catholic friend:

That is not an historic Christian view. St. Paul and Thomas Aquinas make it clear that the human is not human without the body.

Aquinas believed that the soul is the form of the body, as Aristotle said, and gives it life and energy. But against Neo-Platonism, he taught that the soul and body are inextricably linked and that the soul this declared dogma by the ecumenical Council of Vienne in 1312, which the Catholic Church consider binding. So the question arises: how can the Catholic Church teach that the soul is created immediately (i.e., without secondary efficient causes) by God at the moment of conception? That teaching of the Church is reaffirmed at CCC §366.

Both body and soul are essential to the individual human's being. God creates the soul ex nihilo, and the parents generate from gametes the body that the soul informs and vivifies, thus enjoying the privilege of co-creating with God.

Well, there is no reason to suppose that the two teachings are mutually inconsistent. By generating the body of their child, and thus acting as efficient causes of their child, parents only produce the material cause, not the formal cause, of the entire person who is their child. The soul does not come into being without the body and the body does not come into being without the soul. Yet the body is that of a human person, from the moment of conception, only in virtue of God's infusing it with a spiritual soul.

The soul need not, therefore, be itself produced by the parents in order to be the form of the body. And so the dogma that the soul is the form of the body offers no support for traducianism, which some but not all Church Fathers held. Aquinas even argued: The process of spiritual generation is impossible; since the soul is immaterial and indivisible, no spiritual germ can be detached from the parental soul (cf. St. Thomas, Summa Contra Gentiles II, 86; Summa Theologiae I:90:2, I:98:2, etc.).


Response from JandyonGenesis:  Archaic humans were fully human. The essence of the human is Trinitarian: body, mind and soul (anima). There is no substantial evidence that archaic humans lacked this essence. In fact, to argue such is to assert that such creatures are not human.

We must begin by identifying the 4 keys ideas of evolution and examining the evidence for each:
1. mutation
2. adaptation
3. natural selection
4. common ancestry or common descent
Touching on the first point there is no doubt that mutation is a reality. Living organisms under go mutation both gradually over long periods of time and sometimes rather quickly. However, there appears to be a boundary to mutations in a given class of organisms. This is referred to as horotely, a Greek word that is a reference to horos - limit or boundary, and to the word horizon. The term is likely related to Horus, the "son" of the Creator who was said to be the fixer of boundaries.

Adaptation is also a reality. God created organisms with the ability to adapt to their changing environments. It appears that organisms gradually "accumulate" certain physiological, behavioral, and structural traits that aid their ability to survive and reproduce under existing environmental conditions. Those that are unable to adapt become extinct.

Natural selection takes place.  The theory of evolution by natural selection does not attempt to explain how life first began or why living things are on Earth. Rather, the theory of natural selection explains the observable processes that change the physical characteristics of living things through time. That said, we are still speaking of the theoretical rather than a law of nature, since some poorly adapted organisms nevertheless thrive in their environments. If we are honest, we must admit that there are factors in survival that we do not understand, and which may pertain to supernatural oversight, something beyond the realm of science.

Common ancestry or common descent of all living organisms is a hypothesis proposed by Charles Darwin in On the Origin of Species.  He believed that it is likely that all currently living organisms on Earth share a common genetic heritage with each being the descendant from a single original species. He wrote, "There is a grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one."

The common descent hypothesis is suggested by developments in the Cambrian explosion and later, but anthropologically speaking, there is no physical evidence to permit us to state as fact that humans and apes have a common ancestor. Molecular genetics has not proven this, but it has provided a model for how this might be so. We must accept that common ancestry is quite contrary to what Genesis asserts about humans as a special creation. As Christians who take Scripture as a first/primary authority, we cannot gloss over this or assume that this view represents ignorance on the part of the ancient Biblical writers.

The Rising Star Expedition in Southern Africa has retrieved and cataloged over 1000 hominid fossils, and large numbers of fossils remain at the underground site to be retrieved in future expeditions. The findings of this expedition are forcing paleontologists to rethink the evolutionary model. First, these archaic humans practiced ritual burial. Second, these fossil remains reveal a wide range of physical features. The features that have been identified are found in modern humans. One feature that has been shown in various images is of a skull with a protruding chin (projecting jaw). This same feature is found in R1b lineages from Africa to Serbia to Ireland, and most commonly among the metal working castes (who intermarried) and who dispersed widely in service of ancient rulers.

My concern is that we not allow labels to skew our interpretation of the data. When we look at the labels attached to various remains we find see that these are not very helpful. Neanderthals were fully human. The features associated with them have been found very widely, well beyond the Neander Valley of Germany.

A. Afarensis also had human dentition which is quite easily distinguished from that of apes. In humans, the back teeth are larger than the front teeth (not so with apes), and the canines are not pointed. Humans also lack the characteristic diastema or tooth gap found in apes.

Mary Leakey’s 1979 discoveries in Tanzania added to the evidence that humans walked the earth about over 3 million years ago. At Laetoli, about 25 miles south of Olduvai Gorge in Tanzania, Leakey discovered footprints of a man, woman and child created about 3.6 million years ago and preserved under falling ash from the nearby Sadiman volcano. The raised arch and rounded heel of the footprints showed that whoever left these footprints walked as humans today. Unfortunately, Donald C. Johanson had already announced to the world that the finds were apes, though Mary Leakey would have classified her Laetoli finds as Homo/human. She expressed her regret that “the Laetoli fellow is now doomed to be called Australopithecus afarensis.”

Johanson and Mary Leakey were scheduled to speak at a Nobel Symposium in Sweden in May 1978. The conference honored Mary Leakey, who received a medal from the King of Sweden for her scientific investigations. Mary Leakey received the Golden Linnaean Medal, but also was very embarrassed when Johanson announced the new name - Australopithecus afarensis - for his Afar Triangle finds and included Mary Leakey's 4 million year old Laetoli specimen (jaw bone LH4) from Tanzania as an exhibit. Johanson, who was scheduled to speak before Mary Leakey, scooped Mary's speech. She was angry that Johanson had named her discoveries, using a designation that was totally at odds with what she believed to be the evidence. Johanson's name stuck though today, based on more recent discoveries, he doubts the accuracy of the ape designation.

Based on years of teaching students, I have found that labels such as Neanderthal and Australopithecus tend to cause confusion. Among these groups the range of physical traits is the same as the range of traits found in modern human populations. So much so, that it is more helpful and more accurate to speak simply of archaic humans and modern humans. This is one reason I believe that the earliest humans appeared on Earth about 4 million years ago, and although they show archaic anatomical features, they were created fully human with the potential to develop (evolve) into modern humans.

Cranial capacity is not an indication of complexity of thought. The bicameral brain and the binary feature in the order of creation are what trigger complexity of thought and innovation. This binary pattern in the order of creation and among living organisms is found in Genesis, but has been largely overlooked by Bible commentators.

Related reading:  Fully Human From the Beginning; Binary Feature Triggered Greater Diversity;  Questioning the Common Ancestry Hypothesis

Wednesday, July 31, 2013

Did Humans Evolve from a Chimp-Pig Hybrid?


Alice C. Linsley


The oldest fully human archaic fossils date to about 4 million years and were found in East Africa and Cameroon. The Australopithecus anamensis tibia indicates bipedalism. Australopithecines possess anatomical traits of the pelvis, femur and spinal column that facilitate bipedal locomotion. Their brains were small because they were proportional to their bodies. The size of their brains does not mean that they were more like apes than humans. These humans were anatomically small, but there are people living today in parts of Africa who resemble Lucy and her kin.

Mary Leakey suspected that these were archaic humans after her work in Ethiopia. She certainly had reason to think so after her 1979 discoveries in Tanzania. That was the year that Mary discovered the earliest known footprints of hominids, animals and birds at Laetoli. The footprints were preserved about 3.6 million years ago under falling ash from the nearby Sadiman volcano. The raised arch and rounded heel of the footprints showed that these creatures walked as humans today.

Unfortunately, Lucy and her kin were given the name "Australopithicus" (meaning southern ape) by Donald C. Johanson, though Mary Leakey would have called the finds Homo, as she thought they were. She expressed her regret that "the Laetoli fellow is now doomed to be called Australopithecus afarensis," a name contrary to the evidence that Lucy and her people walked upright, had oppositional thumbs, short fingers, human dentition, controlled fire, shared their food, and used flints to scrap, saw and chop.

The physical evidence suggests that humans appeared suddenly and unheralded on the Earth around 5 million years ago in Africa.

Dr. Eugene McCarthy is a geneticist who studies hybridization in animals. He curates a biological information website called Macroevolution.net. McCarthy believes that human origins can be explained by hybridization between pigs and chimpanzees. Read more here.

If you believe that all living organisms emerged from a common ancestor, there is no obstacle to hypothesizing a chimp-pig origin for humans.




Friday, December 19, 2008

Calvin on God's Motive in Creation





Alice C. Linsley

Is divine love a sufficient motive for creation? John Calvin thought so.

In considering human relations, we observe that love stimulates creative attitudes and actions. I see this in my students. Those reared in loving and supportive homes tend to approach life with gusto and ingenuity. Some who have little nurture at home find their salvation in creativity. I can think of several students who failed their core subjects but flourished in art class or drama.

Love is generative and when the creator destroys, it is to generate anew. I think of my youngest daughter. She struggled in school but her accomplishments in art and drama were remarkable. Her art teacher often found my daughter starting over, crushing the clay, shredding the paper, sweeping the canvas clean in an effort to achieve her vision. 

The Scriptures speak of how God prunes the branches that do not produce fruit so that the tree will be more productive. The tree is not destroyed, only the branches that do not fulfill their purpose.


Here is John Calvin's view:

Therefore, God created all men in love, not in hatred." And again, "No beast is so cruel (to say nothing of man) that it would desire to create its young to misery. How much less, then, shall such a desire be found in God! Would not God in such a case of creation be less kind and merciful than the wolf which He has created?" Christ argues in this way: "If ye then, being evil, know how to give good gifts unto your children, how much more shall God?" (Matt. vii. 11.) It is just thus that your adversaries argue. They say, If Calvin, though an evil man, yet would not wish to beget a child unto misery, how much less shall God desire to do so? These and like arguments your opponents bring forward with respect to nature.

But with reference to the Scripture they reason thus: God saw that "all things" which He had made were "very good." Such therefore was man, whom also He had made "very good." But what if God created him to destruction? If such be the case, God created that which "was very good" to destruction and perdition, and therefore He must love to destroy! But that is a thing impious, even in thought. And again, they argue: God created one man and placed him in Paradise, which is a life of happiness. Therefore God created all men for a happy life, for all men were created in the one man. And if all men fell in Adam, it follows that all men stood in Adam, and also in the very condition in which Adam stood. And further, God says, "I would not the death of a sinner;" and again, it is written that God "willeth not that any should perish, but that all men should come to the knowledge of the truth" (1 Tim. ii. 4). Farther, if God created the greatest part of the world to perdition, it follows that His anger is greater than His mercy, and it consequently follows also that His anger is strewn" unto the third and fourth generation." Whereas, "it is evident, on the contrary, that His mercy extends " even unto the thousandth generation!"

Source: Center for Reformed Theology and Apologetics

Related reading: John Calvin on GenesisJohn Wesley on Genesis; Martin Luther on Genesis; Patrick Henry Reardon on Genesis