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