Why do big baleen whales, such as the blue whale, eat small creatures such as krill?
a) krill are highly abundant because they are near the bottom of the food web, so there is more biomass to support large animals
b) they are so large and heavy that they cannot swim fast enough to catch larger prey
c) baleen whales feed on the ocean floor, where krill live in the sediment
d) krill contain critical nutrients that the big whales need to survive
e) Only big baleen whales are fast enough to catch krill in large numbers
Question 2
What do we call the huge rotating masses of low pressure characterized by strong winds and torrential rains that are the largest storm systems on Earth?
a) Hurricanes in North and South America
b) Typhoons in the Western Pacific
c) Cyclones in the Indian Ocean
d) A, B, and C
e) The El Nino Southern Oscillation
The dorsal fin and saddle patch of a resident killer whale in the northeastern Pacific Ocean. It may
The small dorsal fin of this blue whale is just visible on the far left.
Lestidae is a rather small family of cosmopolitan, large-sized, slender damselflies. They are of the
The sparse plasma (blue) and dust (white) in the tail of comet Hale–Bopp are being
Whales
Active transport: Absorption Methods in the Small Intestine