Author: Anonymous

Coralline red algae receive this name due to their ability to:

Most cnidarians are specialized as:

The thinnest layer of the Earth is the:

All sponges share only one of these features:

The stem-like structure of a macroalgae/ seaweed such as kelp is called the:

One of the following is not a characteristic ofall chordates:

Algin is a natural product extracted from seaweeds. It is used as:

The larval stage of an animal is best defined as:

Red tides are caused mostly by:

In addition to his 41 completed symphonies, Beethoven was also known as a prolific opera composer.