A food chain enables animals to communicate to each other within their environment.
Producer
Decomposer
Composter
Bog
Hearing
Breathing
Sight
Olfaction
Haboob
Watershed
Tributary
Wetland
Beta predator
Alpha predator
Omega predator
Top dog
Zooplankton
Kelp
Reeds
Phytoplankton
Pond
All of the above
River
Mosquito
Fish
Whiptail lizard
Otter
Oxbow lake
Convex lake
Curved lake
Elbow lake