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