hemichordates

Meanings

• A phylum of marine invertebrates, belonging to the deuterostomes, characterized by the presence of a dorsal notochord, a collar of pharyngeal gill slits, and a posterior intestine that branches into two.

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Variants

List of all variants of hemichordates that leads to same result
hemichordata , hemichordate , hemichordates

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Etymology

origin and the way in which meanings have changed throughout history.

From Greek hemi- (half) and chorda (cord), referring to the half-notochord present in these organisms.

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Trivia

Any details, considerations, events or pieces of information regarding the word

1. Hemichordates are sometimes called 'acorn worms' due to their acorn-shaped heads.

2. There are about 100 known species of hemichordates.

3. They are filter feeders and burrow in the sandy seafloor.

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Related Concepts

informations on related concepts or terms closely associated with the word. Discuss semantic fields or domains that the word belongs to

1. Deuterostomes: A subphylum of the phylum Chordata, which includes hemichordates, echinoderms, and chordates proper.

2. Notochord: A flexible, rod-like structure that runs along the length of the body in chordates, including hemichordates.

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How to Memorize "hemichordates"

1. visualize
   

   - Imagine a half-long, notochord-containing creature with gill slits and a branched intestine.

2. associate
   

   - Connect hemichordates with the concept of being halfway between simple invertebrates and more complex chordates.

3. mnemonics
   

   - Create a mnemonic like 'Half-notch, Noto-cord, Hemichordates'

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