Answer:
12:90,13:true,14:youth bulge
Answer:
It is considered to be a scientific theory because,
Explanation:
there are many other believes or as you would call it religions that give a good explanation on how humans were created.
To be honest I don't believe the evolution because what if there was another way we were created, and not really turned into cavemen that came from monkey's or whatever.
It is honestly up to YOU on what you believe or feel about were we came from!
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.
Also, it is made up of water and contains enzymes, organelles, salts and various organic molecules. Furthermore, cytoplasm functions by supporting and suspending organelles and cellular molecules. However, example of cytoplasm includes: mitochondria, ribosomes while nucleus is an example of non-example of cytoplasm.