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Jellyfish belong to the phylum Cnidaria, which diverged over 500 million years ago, making them one of the oldest multicellular organisms on Earth. They have a simple body structure, primarily consisting of a gelatinous umbrella-shaped bell and tentacles, which has remained relatively unchanged through evolutionary time. The earliest jellyfish-like creatures are believed to have emerged in the Precambrian era, and they have since adapted to a wide range of marine environments. Their evolutionary history highlights the success of their simple body plan and unique reproductive strategies, such as alternation of generations.

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Related Questions

What is the evolutionary history of an animal called?

the evolutionary history of an animal


What is the word for an organism's evolutionary history?

The word for an organism's evolutionary history is its phylogeny. Phylogeny represents the evolutionary relationships and history of a group of organisms.


How can the evolutionary history of a species be displayed?

The evolutionary history of a species is often displayed in a phylogenetic tree. This will clearly show the history of the species, which is also known as phylogeny.


What is the procedure of grouping organisms based on evolutionary history?

The procedure of grouping organisms based on their evolutionary history is called evolutionary classification. It is also called Darwinian classification.


What the evolutionary history of a species is its?

The evolutionary history of an organism is called its ontogeny. This is a study of biology that focuses on the origin of organisms.


What animal are humans most closely related to in terms of evolutionary history?

Humans are most closely related to chimpanzees in terms of evolutionary history.


The study of an organism's evolutionary history?

Arthropods


What do you call the evolutionary history of a species?

Phylogeny.


Type of classification based on evolutionary history?

Phylogenetic classification is based on evolutionary history and relationships among organisms. It organizes species into groups based on shared ancestry and evolutionary relationships, using information from genetic and morphological similarities. This approach helps to study the evolutionary development and relationships among different species.


The evolutionary history a species can be displayed in a?

Phylogenetic Tree


The evolutionary history of plants is based on?

Fossil records!


Are humans more closely related to cats or dogs in terms of evolutionary history?

Humans are more closely related to cats than to dogs in terms of evolutionary history.