The cells of organisms found in the phylum Porifera (sponges) are not organized into tissues. What structures are absent in organisms belonging to the phylum Porifera? A. organelles

B. genes

C. organs

D. cells

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)

When ash and dust begin to settle on the ground, they eventually become compacted by