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
Comparison of small subunit rRNA gene sequences from three eukaryotes and three bacterial species
Digestion and absorption of carbohydrates in the small intestine.
Early whales moved from terrestrial to aquatic environments
A marine food web in action: feeding baleen whales and birds.
Parasitic Hookworms in the small intestine
Absorption Methods in the Small Intestine