--%>
Assignment Help - homework help

Cnidarians and Poriferan

Cnidarians and Poriferans do not contain excretory systems. Do platyhelminthes encompass an excretory system?

E

Expert

Verified

Platyhelminthes contain a primitive excretory system made up of flame cells (also termed as solenocytes), excretory pores and excretory ducts.

   Related Questions in Biology

  • Q : Define Master Data Master Data : It is

    Master Data: It is a data which remains unchanged over a long time period. It consist information which is always required in similar way. Characteristics can accept master data in BW. With master data you are dealing with texts, attributes, or hierar

    		•
  • Q : What is Employee Retention Employee

    Employee Retention: This refers to the different policies and practices that let the employees stick to an organization for a longer time period. Every organization invests money and time to groom a new joinee, make him a business ready material and b

    		•
  • Q : Enzymes What happens to a denatured

    What happens to a denatured enzyme regarding its functionality? How can that result be explained with the help of the lock and key model?

    		•
  • Q : Metabolic gases which are transported

    What are the two main metabolic gases which are transported by the blood? Answer: The main metabolic gases which are transported by the blood are molecular oxygen (O

    		•
  • Q : What are natural killer cells What are

    What are natural killer cells?

    		•
  • Q : Similarities which reptiles and birds

    What similarities do reptiles and birds share regarding external coverage, excretion and reproduction?

    		•
  • Q : Differences between the signaling

    What are the similarities and differences  between the  signaling arrays and responses that are driven and associated with the “Jasmontates” in plants, and the “eicosanoids”; arachidonic acid cascade components in animals?  This is a large enough question th

    		•
  • Q : Explain the term evolutionary tree

    Explain the term evolutionary tree? Is there an accurate evolutionary tree known by science which describes the emergence and origin of each and every kind of living being?

    		•
  • Q : How does CD4 counting act to monitor

    How does CD4 counting act to monitor HIV infection? What is another laboratory technique to follow up disease?

    		•
  • Q : Contrast - Perception Factor

    Stimuli that contrast with the surrounding environment are more likely to be attention catching than the stimuli that blend in. a contrasting effect can be caused by color/size or any other factor that is unusual. The contrast principle states that external stimuli that stand out against the back

    		•