--%>

Animals having circulatory system

Explain whether all animals have circulatory system?

E

Expert

Verified

All animals do not have circulatory system. Cnidarians, poriferans, platyhelminthes and nematodes, in all these animals there are the pseudocoelom fluid but have no vessels are a vascular animals. Echinoderms also do not have true circulatory systems.

   Related Questions in Biology

  • Q : Final energetic products of Krebs cycle

    Name the final energetic products of each and every round of Krebs cycle? Where is main part of the utile energy at end of Krebs cycle found?

  • Q : Formation of gametes Specify the name

    Specify the name of cells which are capable of forming the gametes? State the ploidy of these gamete-forming cells?

  • Q : Embryonic growth Explain, how cell

    Explain, how cell division process is directly related to embryonic growth?

  • Q : Tertiary structure of protein-Types of

    Write down the tertiary structure of protein? And also write down the major types of tertiary structure?

  • Q : Computed tomography scan or CT scan

    Define the term computed tomography scan or CT scan in brief?

  • Q : Consequences of shifting the chemical

    Explain the consequences of shifting the chemical equilibrium of formation of bicarbonate from carbon dioxide and water towards the consumption of products of reverse reaction?

  • Q : Question on ploting industry supply

    The table below illustrates the firm's revenue and cost information while the price falls to $35.If 100 identical firms are in the market, plot industry supply curve? For 100 firms along with identical cost struct

  • Q : Description of chloroplasts-Functions

    Give a brief description of chloroplasts. And also write down the major functions of chloroplasts?

  • Q : Explain Client Relations Client

    Client Relations: Building good relations with clients would be of immense use particularly in hospitality industry. These relations not only help us to service the customer needs better but also builds loyalty in him to be our customer for quite a lo

  • Q : How are neural networks distinct than

    How are neural networks distinct than Bayesian belief networks all along the following dimensions: (A) Inspect capability of knowledge, (B) Requirement for probabilities obtained from "domain" experts, (C) Requirement for data to train the system, and (D