aquatic life zones

marine (saltwater), freshwater, lentic (standing) vs lotic (flowing)

key aquatic factors for life

water temp, dissolved oxygen content, availability of food, availability of light and nutrients

4 zones of the ocean CEBA

coastal zone, euphotic zone, bathyal zone, abyssal zone

Isocline

the line of the temperature drop in the ocean

Benthos

ground the underwater

indicator species

mayflies, stoneflies, and caddifishes, indicate body of water is healthy

where have we seen the most biodiversity in the ocean

estuaries, coral reefs, ocean floor

ranking of the ocean zones and why

Coastal- because of the amount of sun euphotic- bc of sun abyssal- bc of benthos and thermal events bathyal