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