Question
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closed bodies of water such as ponds or lakes and has t
the water. In large quantities, this type of algae may repro
entire lake.
Brown algae, or Phaeophyta, grows in shallow, tem
in size and is most recognizable as a type of seaweed; kel
lengths of up to 200 feet. Its long stalks can be enmeshes
the ocean's surface.
Red algae, or Rhodophyta, is a small, delicate orga
subtropics, where it often grows with coral. This type o
coral reefs: it secretes lime from the seawater to foster
1. What is the author's main purpose?
(A) To show what color algae is
(B) To differentiate the various
classifications of algae
(C) To describe where algae is found
(D) To clarify the appearance of the
different types of algae
Answer
B) To differentiate the various classifications of algae.