General Biology · free preview
Chapter 23: Protists
Humans have been familiar with macroscopic organisms (organisms big enough to see with the unaided eye) since before there was a written history, and it is likely that most cultures distinguished betw
1. Chapter 23: Protists
Chapter 23: Protists
2. Chapter 23: Protists (2)
Chapter 23: Protists (2)
3. Key terms check
Which key term matches this definition?
process by which inorganic carbon is fixed by photosynthetic species that then die and fall to the sea floor where they cannot be reached by saprobes and their carbon dioxide consumption cannot be returned to the atmosphere
4. Key terms check
Which key term matches this definition?
generation and emission of light by an organism, as in dinoflagellates
5. Key terms check
Which key term matches this definition?
vesicle that fills with water (as it enters the cell by osmosis) and then contracts to squeeze water from the cell; an osmoregulatory vesicle
6. Key terms check
Which key term matches this definition?
movement of cytoplasm into an extended pseudopod such that the entire cell is transported to the site of the pseudopod
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