protazoans Volvox Flashcards

1
Q

volvox where found

A

large spherical colonial and found with other unicellular eukaryotes in pools and ponds.

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2
Q

general features

A

visible to the unaided eye, the beginning of cell differentiation which is resulting in the division of labor among cells. *important step toward multicellularity.

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3
Q

zooids

A

one celled individuals

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4
Q

protoplasmic strands

A

helps connect to each other

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5
Q

somatic cells

A

are similar to other flagellate animals and make up most of the colony

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6
Q

locomotion

A

the anterior cells are highly specialized and are unable to reproduce.and have 2 flagellum.

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7
Q

reproduction

A

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.

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