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Biology Lab

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Biology Lab
1. Nature, 2001
2. David W. Pfennig, Karin S. Pfennig, and William R. Harcombe
3. Batesian Mimicry: When a harmless species mimics a dangerous species to confuse them so they are not harmed.
Sympatric: A speciation in which new species evolve from a single ancestral species while inhabiting the same geographic region.
Allopatric: Occurring in separate, nonoverlapping geographic areas

4. Organism- Reptile
Genus- Micrurus
Species- fulvius
Common Names- Coral Snake

Organism- Reptile
Genus- Lampropeltis
Species- triangulum elapsoides
Common Names- Kingsnake

5. That Batesian mimicry is only effective if predators have experience with dangerous species.
6. Cylinders of precoloured, non-toxic plasticine threaded onto an S-shaped wire
7. Ten at each site. Ringed, striped, and brown.
8. 10 sympatric and 8 allopatric in North and South Carolina. 14 sympatric and 10 allopatric in Arizona.
9. Figure 1a: X-axis is latitude and y-axis is the proportion of total attacks on ringed replicas, the dependent variable is the y-axis.
Figure 1b: X-axis is Elevation and the y-axis is predators that prefer ringed and predators that avoid ringed.
10. As latitude and elevation increase the absence of the coral snakes also increases.
11. A) Lower B) Lower
12. A) No different B) No different
13. Where Coral Snakes are absent
14. Yes
15. No
16. B
17. Where Coral Snakes are absent
18. Yes
19. No
20. B
21. Experimental Study
22. Field Study
23. Paint the same colors in a non-ringed pattern
24. Less ringed replicas would be attacked, because the milk snakes would become more of a prey
25. You could do a lab experiment on the snake attacks and change what the models look like. Such as ring size or color combination to see what they attack more or less.

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