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Protists: Algae & Protozoans

Teacher: Mr. Prussman
Horizontales
Some protozoans possess hard shells composed of _______. (54)
A simple protozoan called the _______most probably resembles the first organisms that existed on earth billions of years ago. (53)
Algae either exist as microscopic single cells or as _______of various sizes. (52)
The euglena can detect changes in light by means of a reddish_______. (52)
A disease caused by a protozoan, affecting millions of people worldwide, is________. (54)
Verticales
Red Tide is an overgrowth of _______algae, referred to as an algal bloom. (53)
_______which comes from seaweed, is a jelly used for growing bacteria in the laboratory. (53)
One type of algae eaten by many people is_________. (52)
Most _______have cell walls and chloroplasts which are similar to those of plant cells. (52)
The Paramecium depends on _______for food. (54)