Toothed Whales vs Baleen Whales Flashcards
differences between the 2 whale groupings
what are the 2 types of whales
baleen and toothed (mysticetes and odontocetes)
what is the other description for toothed whales
odontocetes
what is the other description for baleen whales
mysticetes
how many species of toothed whales are known
77 species
what is the largest species of toothed whales
sperm whale
how many species of baleen whales are known
15 species
which are generally larger: toothed or baleen whales
baleen whales
which grouping has the largest animal on earth
baleen whales
which baleen whale is the largest animal on earth
blue whale
average length and size of a blue whale
90-110 feet and 200,000 to 300,000 pounds
how many blowholes do toothed whales possess
one
how many blowholes do baleen whales possess
two
why are the blowholes of baleen whales different from those of toothed whales
two blowholes to breathe allows more oxygen efficiency to support their massive bodies underwater
which type of whales do not use echolocation
baleen
why do baleen whales not use echolocation
No need for the use of echolocation because they do not hunt their food as they are filter feeders
how do baleen whales communicate
Larynx produces sound. Air flowing past U-shaped vocal folds causes vibrations that are transferred through overlying throat tissue.
do baleen whales use echolocation for communication
no
how can baleen whales communicate without surfacing for air
Sounds can be made repetitively without surfacing for a breath due to air recycling between lungs and larynx
which popular cetaceans are included in odontocetes/toothed whales
sperm whales, orcas, dolphins, porpoises
