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