Which statement about the photic zone is true?
A)Light intensity increases with depth.
B)Organisms depend directly on organic substances raining down from the aphotic zone.
C)The photic zone is thicker than the aphotic zone.
D)The photic zone has sufficient sunlight for organisms to photosynthesize.
E)The water is typically green because of the abundance of organic matter
Question 2
Metamorphic rocks ____.
A)always have igneous parent rock
B)always have sedimentary parent rock
C)are the oldest rock on Earth
D)are formed under conditions of high temperatures and pressures
E)can form on Earth's surface under special conditions
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Light-mantled Albatrosses regularly dive to feed, and can dive to below 12 m.
Light palpation
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Suppose the market supply curve is p = 5Q. If price increases from 10 to 15, the change in ...
Variation in Solar Intensity With Latitude