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