Hi,
Hypothesis is tested by doing an experiment and COLLECTING DATA.
Hope this helps.
r3t40
Members of phylum Porifera are commonly known as spongs. They are generally marine and mostly asymmetrical animals. These are primitive multicellular animals and have cellular level of organization (lacks tissues). These Organisms (belonging to phylum Porifera) lacks most of the structures that are present in multicellular organisms like digestive system, respiratory system, Brain etc
Body of Spongs are made up of spicules or spongin fibers and these organism contain a water canal system which helps them in digestion, reproduction and catching their food in marine habitat.
<span>The best way to avoid running aground
is to ensure that you have a good understanding of your environment. This can be
achieved by gaining familiarity with locations of shallow water and learning to
read a chart to determine one’s position and the level of water</span>
What statements??? There is nothing there
