hydroid

Example Sentences

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An example is the colonial hydroid called an Obelia. The sessile polyp form has, in fact, two types of polyps, shown in Figure 3.

From Textbooks • Jan. 1, 2015

There are significantly more crab experts, for instance, than hydroid experts.

From New York Times • Nov. 28, 2012

But because there are so few hydroid experts, our understanding of these species is staggeringly incomplete.

From New York Times • Nov. 28, 2012

In other hydroid species, the medusa dies after it spawns.

From New York Times • Nov. 28, 2012

If the stem of this hydroid, which is usually covered with polyps, is put into an aquarium the polyps soon fall off.

From Darwin and Modern Science by Seward, A. C. (Albert Charles)