Inner+Fish+WG

Unit 1: Your Inner Fish

[[ Your Inner Fish homework WG]

1) Describe at least three important PHYSICAL traits in humans that were found in fish first. head structure, sense organs, nostrils (2) Describe a SOCIAL trait in humans that was found in fish first. a scull, a bone structure (3) What is an African cichlid and what behavior do they have that resembles social behavior in humans. Describe. colorful fresh water fish from Lake Tanganyika. A similar trait to humans is they protect their young and live in groups. (4) Why is it interesting that femaie guppies may go through menopause? similar traits as humans but, they live longer than their reproductive life span (5) Which genes in humans shifted color during migration from one part of the world to another and also shift in color in fish? (6) What is the significance to human biology that fish are the oldest group of vertebrates? that will show that (7) Competition and predation among fish species led to the evolution of two important physical traits found in humans. What are these two traits and how did competition and predation spur their evolution? survival, defending territory Regarding the NPR interview with the author of Your Inner Fish, Neil Shubin (8) What is unusual about the Tiktaalik? They had enough upper body muscles to do pushups (9) What bones in the "arm" of a Tiktaalik are also found in human arms? rudimentary shoulders. (10) Explain why a hiccup be a relic of our fish ancestors? the hiccup came from the sounds that the fish makes in the water