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