metazoans

Meanings

• noun

  A large phylogenetic group of multicellular organisms whose development involves an embryonic stage with a bilateral symmetry. Metazoans include animals such as humans, mammals, birds, reptiles, amphibians, fish, mollusks, arthropods, and annelids.

  - "Metazoans are a diverse group of animals that includes humans and all other multicellular organisms with bilateral symmetry."
  - "The study of metazoans is called metazoology."

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Variants

List of all variants of metazoans that leads to same result
metazoan , metazoans

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Etymology

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

From the Greek 'meta-' meaning 'after' and 'zoo-' meaning 'animal'. Metazoans are animals that come after the simpler, unicellular organisms.

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Trivia

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

1. Metazoans are estimated to make up about 95% of all known living species.

2. The first metazoans appeared in the fossil record around 600 million years ago.

3. The largest metazoan is the blue whale, which can reach lengths of up to 100 feet (30 meters).

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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. Protista: A group of organisms that includes unicellular eukaryotes that are not plants or animals. Metazoans and protists are two major domains of life.

2. Bilateral symmetry: A type of body symmetry in which the left and right sides of an organism are mirror images of each other. Metazoans develop with bilateral symmetry, which is characteristic of animals.

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Culture

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Metazoans have been studied extensively in various fields of biology, including zoology, anatomy, and developmental biology. They are the focus of much research in areas such as evolution, ecology, and biomedicine.

How to Memorize "metazoans"

1. visualize
   

   - Imagine a tree with different branches. Metazoans are the branch of life that includes animals.
   - Visualize a multicellular organism with bilateral symmetry, such as a human or a starfish.

2. associate
   

   - Associate the word 'metazoans' with the word 'animals'.
   - Think of the word 'multicellular' when you see the word 'metazoans'.

3. mnemonics
   

   - Remember that 'metazoans' are 'multi'-cellular 'animal's'.

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