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