protazoans Volvox Flashcards
volvox where found
large spherical colonial and found with other unicellular eukaryotes in pools and ponds.
general features
visible to the unaided eye, the beginning of cell differentiation which is resulting in the division of labor among cells. *important step toward multicellularity.
zooids
one celled individuals
protoplasmic strands
helps connect to each other
somatic cells
are similar to other flagellate animals and make up most of the colony
locomotion
the anterior cells are highly specialized and are unable to reproduce.and have 2 flagellum.
reproduction
reproduce both sexually and asexually during spring and summer.in the fall the asexual colonies develop sex cells to form macrogamates (eggs) others divide repeatedly to form microgametes (sperm) the sperm escape and fertilize the eggs which become zygotes.