What specialized cells do cnidarians (porifera) use for protection

This is due ! matching pairs of chromosomes from parents are called a. homologous chromosomes b. heterozygous chromosomes c. herterogenes d. homologous bands

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Which of the following molecules can be broken down into simple sugars? a. nucleic acid b. protein c. lipid d. carbohydrate