Arthropods are not considered tetrapods because they belong to a different phylum, Arthropoda, which includes invertebrates like insects, arachnids, and crustaceans. Tetrapods, on the other hand, are classified within the phylum Chordata and include vertebrates such as amphibians, reptiles, birds, and mammals that have four limbs. The key differences lie in their body structures, developmental patterns, and evolutionary lineages, with arthropods having exoskeletons and jointed appendages, while tetrapods possess an internal skeleton and limbs adapted for terrestrial life.
They are tetrapods.
Yes, tetrapods are believed to be direct descendants of fish. Around 360 million years ago, some fish evolved to have limbs and eventually transitioned onto land, giving rise to tetrapods.
They express the characteristics inherent to arthropods. All insects are arthropods. Not all arthropods are insects.
In biological circles, the producers or autotrophs are plants and green algae, which capture energy from sunlight to produce their own food, or in other words capture carbon or carbon compounds into the food chain. By contrast, arthropods eat other organisms and are thus classified as heterotrophs, or consumers.
Tetrapods
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Yes.
NO Mammals are not arthropods. Arthropods are insects.
arthropods are eukaryotic because arthropods are animals.
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They express the characteristics inherent to arthropods. All insects are arthropods. Not all arthropods are insects.