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