ZOO 2700 Lecture Notes - Lecture 4: Filopodia, Rideau Canal, Sexual Reproduction

• School: University of Guelph
• Department: Zoology
• Course: ZOO 2700
• Professor: Alex Smith

Document Summary

Autapomorphy: alveoli: system of abutting membranous sacs that support the cell membrane. These 3 parts that join the exoskeleton: Usually 2 flagella: (cid:498)flagella(cid:499): whip like. Important to taxonomists to see who"s related to who: sulcus: longitudinal groove in which one flagellum lies, cingulum: a transverse grove that also has a flagellum, theca: rigid cellulose, often sculpted skeleton, occurs in the alveoli. Auto, and heterotrophs; some photosynthesize, some consume prey, some both. Important primary producers, in any marine food web they are located at the base. Red tides: algal outbreaks that kill fish (harmful algal blooms) Zooxanthellae: stay in coral wall that produce most of what the coral consumes (critical for corals) Bioluminescence: not a monophyletic, occurs in many different groups, comes about due to a convergent evolution, strict selection. To alert when a predator is near. Dependent on all the individuals being related.