Bryn Mawr College - Bryn Mawr Yearbook (Bryn Mawr, PA)

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BIOLOGY FINAL EXAMINATION IN GENERAL BIOLOGY. MAY. 1948. 1. Silent Prayer. 15 min. 2. Chop an immature zooid into small dis- crete particles, ignoring its hurt expres- sion. 3. Account for the triumph of heredity over environment in the following sad case: A subclass Elasmobranchius, although he came of a long line of parasitic worms with no enteron to speak of, was carefully brought up among simple, wormlike, ter- restrial Arthropods. After graduating third in his class at Annapolis, he took to swimming around with marine worms of doubtful relationships; and repudiating the poor but honest foster-parents, spent the rest of his days a typical triploblastic flatworm. 4. Describe Symbiasis, the mutually benefi- cial relation between a parasite and its host. Could there be a richer, more satis- fying experience in life? 5. Biologists define FOOD as any material which can either yield energy for the ac- tivities of an organism or supply matter for its growth ' . Revise this definition to include lunch in your hall. 6. Give in outline form the arguments for and against the Hepatic portal-to-portal system. 7. You might not chew that pencil if you realized that it is a fibro-vascular bundle containing sieve-tubes. 8. You will be provided with a scalpel, a large glass slab, and a quantity of Kleenex or some relatively undifferentiated tissue. Allot one hour to dissection of the girl on your left. Left-handed students may dis- sect the girl on their right. MARY ANN BRADY ESTHER ESSAYAG BENACERRAF ROSAMOND KANE

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TWENT MENTS x

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ECATHERINE FANITA REVICI NELLY JANE KEFFER ANITA MOL