Specific excretory organs are absent in unicellular organisms belonging to the<u> phylum Porifera.</u>
The organisms of the phylum Porifera are classified under the kingdom Animalia and they lack specific organs in their bodies.
The word "Porifera" refers to pore-bearing organisms.
These animals have loosely organized cells and are found in freshwater marine ecosystems.
On their body, a large number of pores - Ostia - are present which perform various functions such as excretion.
However, respiratory gases and waste materials are exchanged through a diffusion process.
Moreover, in them, reproduction takes place through fragmentation and budding.
If you need to learn more about excretory organs click here:
brainly.com/question/28302813
#SPJ4
Answer:
<em>C.)</em><em> Snap-a-ray</em>
Explanation:
The bisecting angle technique is used for dental radiography based on the principle of projecting the x-ray beam at the right angle. It is non-intrusive and the patient is awake while it is happening. A hemostat is not necessary since this is a scanning technique and the bite block isn't either since the patient needs to have his or her mouth open.
Answer:
aphasia is the answer. I asked my med teacher and she said it was aphasia
Answer:
★ It is a process in which the top fertile layer of soil is lost. Due to soil erosion, the soil becomes less fertile. The top layer of soil is very light which is easily carried away by wind and water. The removal of topsoil by the natural forces is known as soil erosion.
Explanation:
Hope you have a great day :)
Answer:
Missing drug list. Inbox me please. Thank you
Explanation:
