


\
"There is a grandeur in this view of life..."
"When Julie and Ellen were alone, Julie came down from the iglek and sat beside her.
Ellen," she said, "our next lesson is about how every beast and plant is dependent on every other beast and plant."
"I understand that," she said. "You have taught me well."
Julie despaired. She had been talking to Ellen since the sun had gone down about cycles and the rise of one animal and the fall of another. She had held up her hands and told her how the Eskimo knew they were related to all the animals because they all had the same bones in one shape or another. She had told her that wolves kept the environment healthy, and that when the environment is healthy, people are healthy.
And still Ellen had told her she would kill a wolf to save the oxen and Kapugen agreed with her.
Homologous Things and Ridiculous WingsHomology really is a fantastic way to introduce students to the idea of evolution. Young kids, too! They catch on right away when they see the preserved skeleton of a bat wing and note how hand-like it is. Craig also sent me this coloring sheet he drew for an elementary school teacher, in which the kids are encouraged to color the homologous bones in each animal (humerus, radius, etc) the same color.
Homologous structures cry out to me
“Ever wonder how we came to be?”
What does a horse, a bird, and a cat
have in common with a boy, frog, and a bat?
All have two limbs in the front and the rear.
All have three bones in those limbs it is clear.
Are these structures related at all?
From same origins seems a good call.
But what about angels, did god make a mistake?
Where did wings come from? I think they’re all fake.
How did they grow, those feathers and bones?
Are they some kind of fairy-tale clones?
I’ll stick to science and homologous things
rather than angels with ridiculous wings.
- Craig Gosling
"It is interesting to contemplate an entangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent on each other in so complex a manner, have all been produced by laws acting around us. These laws, taken in the largest sense, being Growth with Reproduction; Inheritance which is almost implied by reproduction; Variability from the indirect and direct action of the external conditions of life, and from use and disuse; a Ratio of Increase so high as to lead to a Struggle for Life, and as a consequence to Natural Selection, entailing Divergence of Character and the Extinction of less-improved forms. Thus, from the war of nature, from famine and death, the most exalted object which we are capable of conceiving, namely, the production of the higher animals, directly follows. There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being, evolved."