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
Light-mantled Albatrosses regularly dive to feed, and can dive to below 12 m.
Inputs and Outputs of the Lateral Zone of the Cerebellar Cortex
Air flows through the PCV valve during idle, cruising, and light-load conditions.
Increased acidity inhibits the growth of coral and other carbonate shell-building organisms
Depth Perception in Infants
Humans are related to Earth’s other organisms