Question

1. christopher columbus used the presence of suspended seaweed in the ocean to determine how far away he was from the coast of africa. what type of protist did columbus see?

slime mold
protozoa
brown algae
water mold

Explanation:

• Slime mold is a type of protist that moves and feeds on organic matter but is not seaweed.
• Protozoa are single - celled, animal - like protists and not seaweed.
• Brown algae are large seaweeds that can form floating masses in the ocean, which Columbus could have seen.
• Water mold is a fungus - like protist and not seaweed.

Answer:

brown algae