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