Sentences with phrase «as cnidarians»
Belonging to the phylum Cnidaria, hydra are part of a group of organisms known as cnidarians which include jellyfish and sea anemones.
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These toxins spanned the breadth of the animal kingdom, including ancient venomous groups such as centipedes, scorpions, spiders, coleoids (octopus, cuttlefish and squids) and cnidarians (jellyfish, sea anemones and hydras).
According to Prof. Holstein, the leading hypothesis assumes that they originated from organelles of similar construction and function in unicellular organisms that were absorbed as symbionts by early precursors of cnidarians.
The sponge was indeed at the base of animal lineage, and just above it were the cnidarians, such as jellyfish, anemones, and corals.
Our analyses support the grouping of placozoans, cnidarians and bilaterians into a eumetazoan clade, with demosponges as an earlier - branching lineage25, and reject the diploblast — triploblast phylogeny17 in favour of a more conventional «sponges first» tree19, 20 (Fig. 1d).
In our discussion below we therefore refer to descendants of the placozoan — cnidarian — bilaterian last common ancestor as Eumetazoa, and reserve «Eumetazoa sensu stricto» for the more limited clade defined by descendants of the cnidarian — bilaterian ancestor.
Produced through spores and without insemination, myxozoa are related to cnidarians, what researchers define as being primitive marine species of great diversity.
Our group focuses on this question and uses the cnidarian Nematostella vectensis as a model organism to study how such morphological plasticity mechanisms are encoded at the molecular and cellular level.