How many living species of mollusks are there currently?
Where are sponges mainly found
The Ocean
What is the first level of any food chain called?
The Producer
the number of wave cycles that pass a fixed point in one second
Frequency
the area covered by water at high tide and exposed to the air at low tide
Intertidal Zone
Bivalves are often used as indicators of environmental quality. Describe why this is
they are filter feeders, meaning they actively draw large volumes of water through their bodies
What is the function of the Oscula?
The current of water exits after passing through the spongocoel
Why do scientists use Food webs to explain an ecosystem?
Scientists will often use food webs to better explain how an ecosystem functions
What are the two biggest causes of tidal waves
The Moon's gravity, and Tectonic Plates
where land, saltwater, and freshwater meet and mix.
An Estuary