Animal communication can occur across multiple sensory channels, including visual, chemical, tactile, and acoustic signals.

This statement is **true**. The communication types listed are visual, chemical, tactile, and acoustic. The material also gives examples within these channels, including odors and urine for chemical communication, touch for tactile communication, and calls or whistles for acoustic communication.\n\n**Key takeaway:** Animal communication can use several sensory channels, not just chemical signals.\n\n**Glossary:** **Tactile**: Related to touch; **acoustic**: Related to sound; **olfactory**: Related to smell.