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