List the characteristics of most animals

1. Eurkaryotic cells

2. Multicellular tissues and organs

3. collagen-supported cell membranes

4. complex organ systems

5. internal digestion

6. advanced mobility

7. sexual reproduction

Explanation: I recently finished biology and these were in my notes

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?