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