3.3.36 Flashcards
How many major types of nutrition are found among protists?
3
Each division corresponds to what?
the 3 major groups of protists
Define heterotrophs
organisms that obtain food from the environment
What does the 1st type of nutrition involve?
It involves obtaining food actively by phagocytosis.
What is phagocytosis equivalent to?
‘eating’ or the ingestion of food by larger multicellular organisms
Where is this 1st nutrition found?
It’s found in protozoa
What do protozoa use to eat their food?
Some have mouth-like structures and others use pseudopodia to engulf prey
What is a typical food item for protozoa?
bacteria
Protists are a mixed group of eukaryotic organisms that are fungi, plants, or animals. True or False?
False. They are fungi-LIKE, plant-LIKE, animal-LIKE. They aren’t those things, they are just very much like them so don’t forget the LIKE!
How do algae get food?
They make it through photosynthesis
Are algae, heterotrophs, autotrophs, chemoautotrophs, or photoautotrophs?
Algae are photoautotrophs
Do algae make their own food?
Yes
What enables algae to make food?
chloroplasts
What protist category makes up plankton, seaweeds, and algae?
algae
All algae are green. True or False? Why or why not?
False. All algae have chloroplasts but they aren’t all green. Many have other pigments as well such as yellow, brown, or red.