The growth of global fish harvests in the last 20 years have mostly been due to increases in
A) aquaculture.
B) the major rivers of the world.
C) freshwater capture fisheries.
D) saltwater capture fisheries.
Question 2
The relationships between atmospheric pressure, temperature, and altitude indicate
A) a sharp cooling trend from the lower to upper troposphere and a major warming trend in the stratosphere.
B) uniformly decreasing temperature and pressure from the Earth's surface through the stratosphere.
C) increasing temperature and pressure from Earth's surface through the stratosphere.
D) both temperature and pressure are at their lowest levels in the lower troposphere.
Puffer Fish
Butterfly fish
Parasitic fish worm
Some Possible Consequences of Global Warming
Yearly growth of tree trunk (cross-section)
Saprolegnia on an Infected Fish