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