The distance around a person body. the science that studying living organisms
They involve matter and energy
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.
A species <span>a group of organisms that have similar traits and are able to produce fertile offspring.
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Answer:A
Explanation:it’s being change by a mixture of substances put together
