In the arctic ocean, there are very few large aquatic plants. which of the following best explains why? (2 points)
a sea ice decreases the salinity of the water to a level not suitable for plants.
b plants have a difficult time surviving due to long periods of darkness.
c plants are unable to attach to the deep sea floor.
d currents are too strong for plants to survive.

The lake of the ozarks is a human-made lake, so it collects runoff from coal strip-mining, fertilizers, resort wastewaters, and septic drainages. the average lake temperature is between 10∘c and 21∘c. consider the physical requirements for growth and multiplication that would allow fecal coliforms to “blossom” in the lake of the ozarks. which of the following would accurately describe these organisms? check all that apply. psychrophiles facultative halophiles extremophiles mesophiles hyperthermophiles