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10 Cards in this Set

  • Front
  • Back

Most protista are

unicellular and microscopic

most protista can be

can be multicellular they can be colonies, several meters long, some of them are kelp, can be heterotrophs, autotrophs or parasites.

Characteristics that are believed to be common to ancestor of all eukaryotes

Cells with a nucleus surrounded by a nuclear envelope with nuclear pores.Mitochondria or some remnant of mitochondria Some form of cytoskeletonFlagella or ciliaChromosomes wrapped around some type of protein (histones)All do mitosisCan reproduce sexually at some pointThe ability to make a cell wall

The theory of how eukaryotes evolved

endosymbiosis- endosymbiotic theoryOne cell engulfs another, they both survive, and became dependant of each other.

Evolutionist think that mitochondria came from

aerobic(being able to make energy using oxygen) bacteria that were engulfed by another cell.

Evolutionist think chloroplasts came from

cyanobacteria that did photosynthesis from being engulfed

Excavata

Asymmetrical, they aren’t even


Unicellular


Feeding groove where they allow their food to come in

Chromalveolata

Really protected, a coat of armer


Two flagella, move in opposite directions


One of the main things that make up plankton

Rhizaria

Amoebasthreadlike pseudopodsPseudopods- move by cytoplasmic streaming< vocabForams- look like shells, unicellular, have pores in their shells with pseudopods that they can get food or move with

Archaeplastida

Algae(red or green) and land plants


Red- looks red when it does photosynthesis, multicellular, no flagella.


Green- common in wet places, volvox( lives as a colony, some individuals have special functions like reproducing), all move at the same time, some green algae can have a huge cell and thousands of nuclei