guppy lab - Maureen Jackson W08 Evolution Lab How the Guppy...

This preview shows page 1 - 4 out of 12 pages.

Maureen JacksonW08Evolution Lab: How the Guppy Got Its Spots Exercise 1 [6.1] now catch 15-20 male guppies and record their spot brightness on the table below.Male #Spot BrightnessMale #Spot brightness 11511152171217317131641614165191518619161671717188189181017[6.2] in the space below, record any other observations you think might be important, such as whatother species you find living in the pool along with the guppies: NOTES ON UPPER WEST STREAM:-Rivulus is also living on the upper west stream -Background is gray -Many more guppies than rivulus -Medium amount of guppy food [6.3] on the grid below, plot a histogram showing the variation in spot brightness among the male guppies in Upper West Stream:
Maureen JacksonW08[8.1] how does your assistant’s graph (which includes all the males in the pool) compare to yours from page 3 (which includes a smaller sample of males from the pool)?
[8.2] visit Lower West Stream, Upper East Stream, and Lower East Stream by clicking on each pool on the Map. For each stream, COPY or PRINT your assistant’s histogram. Write the stream name and take notes on features of the stream and the other species that live there. Finally, visit Meir Creek to see what lives there.
Maureen JacksonW08[8.3]Before moving on to the next section, write a short description of the natural history information you’ve found so far in your studies, including any differences between the pools. This should include your observations, but NOT hypotheses for what you saw—don’t try to explain anything yet, just summarize the facts:Upper west stream -

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture