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