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