Describe which animals have external ear flaps versus which ones have holes: walrus, sea lion, and seal
sea lion have ear flaps
seals and walrus have ear holes
what scientific family to polar bears belong to
ursidae
what do sea otters have to help them store food for later
pockets in their fur
manatees have what unique fact about their teeth
they constantly lose and re grow
what type of water do dugongs live in
saltwater only
which of the following have claws on their flipper and which of the following have no nails: sea lions and seals
sea lions have no sharp claws and seal have sharp claws
Describe what carnivore lethargy is
this is when polar bears enter a state similar to hibernation where they slow down their metabolic rate and use stored fat for energy.
what do some sea otters do as a method of opening food in a shell
they use a rock or "tools" to open it up
manatees live in what type of water
brakish, saltwater and freshwater
what unique fact did we talk about that dugongs have in their mouth but manatees do not have
tusks
Describe how sea lions move vs seals
sea lions rotate their hips and are able to walk and put weight on their front flippers while seals move like an inchworm.
what do polar bears primarily eat
seals
sea otters are considered a keystone species becuase they help control what animal population
sea urchins
manatees face what major threat
boat strikes
where is the largest population of dugongs
australia
Describe what molting is
molting is when seals annually shed their old fur and skin to re grow new
polar bears are the largest _______ ________
land carnivore
sea otters eat how much of their body weight everyday
a quarter
what do manatees eat/ what is the name of their type of diet
herbivores they eat seagrass and plants
how many species of dugong are there
1
Which group is overall more diverse seals or sea lions
seals
What is one of the main threats we talked about that polar bears face
loss of sea ice
sea otters arena what scientific group
mustelids
what factor helps them stay buoyant underwater
their dense bones
what do we use to determine dugongs age
growth rings in their tusks