Explain the origin of tetrapods

Q: Explain the ecological importance of copepods to marine and freshwater ecosystems.

A: The members of phylum Arthropoda are collectively referred to as arthropods. Segmented body, the…

Q: One difference between the 'fishapod', Tikaalik, and the early tetrapod, Acanthostega, is... Group…

A: Tetrapod development began approximately 400 million years ago in the Devonian Period, with the…

Q: How is the large size of some cephalopods related to the type of circulatory system they present?

A: Mollusca is the largest marine phylum of the animal kingdom that is characterized by a mantle with a…

Q: How are the valves of a brachiopod oriented in terms of the dorsalventral axis?

A: Brachiopods belong to the Phylum Brachiopoda, which is a monophyletic group. These organisms are…

Q: What are some possible ways that humans could mitigate the effects of cnidarians?

A: Cnidarians, which include species like jellyfish, corals, and sea anemones, can pose various…

Q: What is the only difference between a fish and tetrapod

A: The change in the heritable characteristics of the species across many generations is called…

Q: In the rainforest you discover a new species that is terrestrial, has determinate development, molts…

A: Introduction  Morphology is the study of physical characters which can be visualized either by naked…

Q: Discuss in detail the external characters of Hemidactylus?

A: Hemidactylus belongs to the kingdom and phylum Animalia and Chordata respectively. They reside in…

Q: Explain how each molluscan feature is modified, compared to gastropod and bivalve body plans. 1)…

A: Cephalopods, Gastropods and Bivalvia are all classes of Molluscs. They differ in their habitats. For…

Q: Write down the division between agnatha and gnathostomata?

A: Phylum Chordata is characterized by its five anatomical features including a notochord, pharyngeal…

Q: Describe the endoskeleton and other adaptations seen in echinoderms.

A: Endoskeleton: An endoskeleton is a skeleton that found and develops within the interior of the body…

Q: illustrates four key characters ofchordates: a notochord; a dorsal, hollow nerve cord; pharyngeal…

A: A chordate is an animal of the phylum Chordata. During some period of their life cycle, chordates…

Q: Why are echinoderms considered part of the Deuterostomes, despite having incredibly unique…

A: Echinoderms are marine, spiny invertebrates belonging to the phylum Echinodermata, superphylum…

Q: What happened to the digits as tetrapod legs evolved

A: Evolution is a continuously occurring process that involves a change in organisms due to the…

Q: Why are Echinodermata known as the sister group to the chordates?

A: Starfish, brittle stars, sea cucumbers, sea urchins, sand dollars, and crinoids are all members of…

Q: Post-anal tail is a unique feature shared by invertabrates and jawless fish chordates tetrapods all…

A: The objective of the question is to identify the group of organisms that share the unique feature of…

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.