--%>

Circulatory-nervous-excretory systems

Do sponges contain circulatory, nervous and excretory systems?

Answer: Sponges do not contain a nervous system neither circulatory nor excretory system.

   Related Questions in Biology

  • Q : Environmental science and Demography

    Briefly define the terms environmental science and Demography?

  • Q : Risk Occurrence and Impact Risk

    Risk Occurrence and Impact:A) There are two elements that define risk in projects: the probability of an adverse event or occurrence the severity and cost of that event or outcome

  • Q : Germ layers-platyhelminthes How many

    How many germ layers originate body of the platyhelminthes? In relation to this feature how are these animals categorized?

  • Q : Custodial model - An Organizational

    Workers being managed under the autocratic model often feel insecurity and frustration. They may even show aggression towards their boss and families and neighbors. That is why progressive managers felt that there must be some way to develop better employee relationships so that insecurity and fr

  • Q : Factors - Group Effectiveness -

    There are several factors that influence the effectiveness of a group. Certain characteristics of the group, the types of tasks they perform, the work setting, the technology used and the operating dynamics of the group within the work setting all have an influence on group effectiveness, we can

  • Q : What is Strategic Market Planning

    Strategic Market Planning: It is a significant tool for any company to contain, regardless of size. This lays out, within a formal fashion, the overall objective and accompanying goals, tactics and strategies designed to be implemented for the support

  • Q : Name of the DNA duplication procedure

    Write down the name of the DNA duplication procedure? And also write down the main enzyme which participates in it?

  • Q : Human respiratory system Talk about the

    Talk about the various parts that form the human respiratory system?

  • Q : What do DNA sequence databases contain

    What do DNA sequence databases contain?

  • Q : Temperature influence the action of

    How does temperature influence the action of enzymes on their substrates?