a
The photograph on the right shows some
pond water, under a microscope. Suggest
how you can tell which micro-organisms
are algae, and which ones are protozoa.
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a
The photograph on the right shows some
pond water, under a microscope. Suggest
how you can tell which micro-organisms
are algae, and which ones are protozoa.
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Answer:
The main difference between protozoa and algae is that protozoa are heterotrophic, animal-like organisms whereas algae are autotrophic, plant-like organisms. This means protozoa ingest organic molecules by phagocytosis while algae produce their own food by photosynthesis.