
Whales have complex digestive systems
Prey will be grabbed onto by teeth or swallowed whole
Prey passes to the esophagus first
The food then reaches the rumen where it is broken
down
Broken down food travels to the small intestine where
nutrients are absorbed
Since there is no gall bladder, the liver provides the bile needed for digestion
Cetacea
(AKA: whales)


Cetacea
(AKA:Whale)
Nutrition & Food Getting
Whales are carnivores and eat small fish either by sucking them into their mouth or biting and swallowing

Whales lurk/stalk their prey and wait for the right time to strike to get the most amount of fish at once
Nutrition & Food Getting
Nutrition & Food Getting
Whales eat up to 4% of their body weight every day
However, during the winter fast, they can lose up to 1/3 of their body weight, making them a discontinuous eater
Digestion
Most species of whales digest extracellularly as they are vertebrates

Special Adaptations
Streamlined bodies to move faster and more efficiently through the water when hunting
Tail positioned horizontally for a powerful up and down propulsion when swimming
Hair growth under skin blubber to provide warmth for deeper waters

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Whales have complex digestive systems
Prey will be grabbed onto by teeth or swallowed whole
Prey passes to the esophagus first
The food then reaches the rumen where it is broken
down
Broken down food travels to the small intestine where
nutrients are absorbed
Since there is no gall bladder, the liver provides the bile needed for digestion
Cetacea
(AKA: whales)


Cetacea
(AKA:Whale)
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