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