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DevinSponges belong to the phylum Porifera and exhibit no body symmetry. Their bodies lack definite shape and are composed of specialized cells organized in a loose aggregation. Sponges are the simplest multicellular organisms and showcase a unique form of asymmetry in the animal kingdom.
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What is the difference in body symmetry between the Phylum Echinodermata and the Phylum Chordata?
Echinoderms exhibit pentaradial symmetry, with body parts arranged in multiples of five around a central axis. Chordates, on the other hand, display bilateral symmetry, with a distinct left and right side mirroring each other.
If an unknown organism has bilateral symmetry and a long slender and smooth worm-like body that is not segmented into which phylum can it be classified?
The organism can be classified into the phylum Platyhelminthes, which includes flatworms like tapeworms and flukes. These organisms exhibit bilateral symmetry and have long, slender, worm-like bodies that are not segmented.
Which type of symmetry do annelids exhibit?
Annelids exhibit bilateral symmetry, where the body can be divided into two equal halves along a single plane. This symmetry allows for streamlined movement and sensory coordination in these segmented worms.
What phylum has three germ layers?
The phylum that has three germ layers is the Chordata phylum. This phylum includes animals with bilateral symmetry and a notochord, which gives rise to the three germ layers (ectoderm, mesoderm, and endoderm) during embryonic development. Examples of Chordata include vertebrates like mammals, birds, reptiles, amphibians, and fish.
What type of symmetry do nematodas have?
Nematodes have bilateral symmetry, meaning that they can be divided into two roughly equal halves along a single plane. This symmetry helps to optimize their interactions with their environment and improve their mobility.
